• WordNet 3.6
    • v understudy be an understudy or alternate for a role
    • n understudy an actor able to replace a regular performer when required
    • ***
Webster's Revised Unabridged Dictionary
  • Interesting fact: There are only two sequences of four consecutive letters that can be found in the English language: "rstu" and "mnop." Examples of each are understudy and gymnophobia.
    • n Understudy One who studies another's part with a view to assuming it in an emergency.
    • v. t. & i Understudy (Theater) To study, as another actor's part, in order to be his substitute in an emergency; to study another actor's part.
    • ***
Century Dictionary and Cyclopedia
    • n understudy Theat., one who has made a special study of a particular part, and is capable of playing that part at a moment's notice in the absence of the actor or actress to whom it is usually assigned.
    • understudy To memorize (a part) as an understudy.
    • ***
Chambers's Twentieth Century Dictionary
    • v.t., v.i Understudy un′dėr-stud-i to study a dramatic part so as to be able to take the place of the actor playing it, if necessary
    • n Understudy an actor who prepares a part in this way
    • ***


In literature:

His understudy here advised me to go on East.
"Aladdin & Co." by Herbert Quick
It had played a principal part, but now an understudy appeared, more full-blooded, stronger, wilder.
"The Green Carnation" by Robert Smythe Hichens
It will start in two minutes, and we shall see what the understudy can make of it.
"The Lowest Rung" by Mary Cholmondeley
Your understudy can fill the part.
"The Branding Iron" by Katharine Newlin Burt
Finally she got a chance to understudy Elsie De Wolfe, who was playing with John Drew, in "The Bauble Shop," at the Empire.
"Charles Frohman: Manager and Man" by Isaac Frederick Marcosson and Daniel Frohman
Luckily, my understudy was with me.
"Cavanaugh: Forest Ranger" by Hamlin Garland
No need longer for understudies.
"Penny of Top Hill Trail" by Belle Kanaris Maniates
Willingness to teach her understudy all she knows.
"Scouting For Girls, Official Handbook of the Girl Scouts" by Girl Scouts
Understudy's the very word.
"The Leader of the Lower School" by Angela Brazil
One can't suppose that he's rich enough to fling all his salary to an understudy while he gads.
"The Lightning Conductor Discovers America" by C. N. (Charles Norris) Williamson and A. M. (Alice Muriel) Williamson
He was followed by an understudy, who made an ineffective effort to support his predecessor.
"David Dunne" by Belle Kanaris Maniates
Been understudying Miss Hawtry, haven't you, Miss Lindsey?
"Blue-grass and Broadway" by Maria Thompson Daviess
One of the principals was suddenly taken ill, and this rehearsal was called for the benefit of the understudy.
"The Confessions of a Caricaturist, Vol. 1 (of 2)" by Harry Furniss
With the first and second officers on duty, and the captain aboard, my routine was more or less that of an understudy.
"Astounding Stories of Super-Science, March 1930" by Various
In the seasons to come, she would find herself playing the part of understudy to Mrs. Lloyd Avalons.
"The Dominant Strain" by Anna Chapin Ray
For the second performance, his understudy took his part.
"The Exploits of Juve" by Pierre Souvestre and Marcel Allain
The head of the Sweep's understudy, Dave, was not equal to a full-dress rehearsal.
"When Ghost Meets Ghost" by William Frend De Morgan
He was Buffalo Bill's understudy.
"Boys' Book of Frontier Fighters" by Edwin L. Sabin
Maybe," he added amusedly, "I can even have you replace Gregory as my understudy.
"My Fair Planet" by Evelyn E. Smith
So long as he kept in his class, though, and wa'n't called on to understudy Kyrle Bellew, Swifty met all the specifications.
"Side-stepping with Shorty" by Sewell Ford

In news:

Last-ditch efforts to find an understudy were unsuccessful.
Hairspray' understudy , 'Santaland Diaries,' running Theater J.
'The Understudy ' from Mad Cow Theatre.
Graydon Carter, George Plimpton's Understudy .
Harris' understudy prepares for lead role.
Understudy An American critic follows a British director as he prepares the revival of an old standby.
Understudy Becomes Leading Man.
Youkilis would be the understudy for.
Understudies Give Viewers a First-Rate Performance.
Hairspray ' understudy, 'Santaland Diaries,' running Theater J.
A Last Minute Concert, featuring a host of Broadway understudies, played The Laurie Beechman Theatre Nov 26.
The understudy drove the Marshals toward two scoring opportunities in the fourth period.
Most understudies also cover multiple roles in a single production.
Coach Jim Harbaugh did not name a starting quarterback for the 49ers' game Sunday at New Orleans, instead preferring to "let it play out" this week between incumbent starter Alex Smith and hot-shot understudy Colin Kaepernick.
Ralph Holman's understudy is setting up shop in Austin.

In science:

An understudied area is what happens with the further complication of random coefficient models, such as random intercepts and slopes.
Misspecifying the Shape of a Random Effects Distribution: Why Getting It Wrong May Not Matter
Finally, the summary sentences are arranged in the original order. V. EVALUATION AND RESULTS We use the ROUGE, a set of metrics called Recall-Oriented Understudy for Gisting Evaluation, evaluation toolkit that has become standards of automatic evaluation of summaries.
Fuzzy Logic Based Method for Improving Text Summarization
ROUGE stands for Recall-Oriented Understudy for Gisting Evaluation.
USUM: Update Summary Generation System
To evaluate summaries, we used ROUGE (Recall Oriented Understudy for Gisting Evaluation) .
Diversity in Ranking using Negative Reinforcement