• WordNet 3.6
    • n triceps any skeletal muscle having three origins (but especially the triceps brachii)
    • ***
Webster's Revised Unabridged Dictionary
    • n Triceps (Anat) A muscle having three heads; specif., the great extensor of the forearm, arising by three heads and inserted into the olecranon at the elbow.
    • ***
Century Dictionary and Cyclopedia
    • triceps Three-headed; tricipital; specifically, in anatomy, noting certain muscles which arise by three heads.
    • n triceps A tricipital or three-headed muscle, which has a triple origin and proceeds to a single insertion; especially, such a muscle of the fore or hind limb, expressly named as in the following phrases.
    • ***
Chambers's Twentieth Century Dictionary
    • adj Triceps trī′seps three-headed
    • Triceps Also Tricip′ital
    • ***


Webster's Revised Unabridged Dictionary
NL., fr. L. triceps, having three beads; tres, tria, three + caput, head: cf. F. triceps,. See Three, and Chief,


In literature:

Contusions of the Triceps Brachii.
"Lameness of the Horse" by John Victor Lacroix
What origins and attachments must the triceps have to make it extend the arm?
"Applied Psychology for Nurses" by Mary F. Porter
The triceps and radial reflexes were definitely exaggerated.
"Studies in Forensic Psychiatry" by Bernard Glueck
A typical pair of opposed muscles are the biceps and triceps of the upper arm.
"The Psychology of Singing" by David C. Taylor
Q. Brachial fascia, investing the triceps muscle.
"Surgical Anatomy" by Joseph Maclise
In this way the triceps is put upon the stretch and forms a natural posterior splint.
"Manual of Surgery Volume Second: Extremities--Head--Neck. Sixth Edition." by Alexander Miles
A sesamoid bone exists in the tendon of the triceps muscle.
"Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 2" by Various
Whenever the hands push hard against anything, and so call the triceps muscles into action, these muscles at once combine with them.
"How to Get Strong and How to Stay So" by William Blaikie
The attitude allowed the wide-sleeved tea-gown into which she had changed to fall away from her upper arm, showing her satiny triceps.
"A Crooked Mile" by Oliver Onions
We then shall have an idea of what the triceps is in quadrupeds.
"Artistic Anatomy of Animals" by Édouard Cuyer

In news:

The Arizona Cardinals faced questions at tackle before a triceps injury drove their starter on the left side, Levi Brown, from the team's exhibition game Friday.
Broncos' Jason Hunter likely to miss season with torn triceps .
Broncos' Jason Hunter suffers triceps tear.
Starting defensive end Jason Hunter has reportedly suffered a significant triceps injury and he will be out for at least two months and perhaps the season.
The exercise is called a triceps kick, but it will give a workout to several other parts of the body too.
The Triceps Extension exercise works your triceps , butt and legs.
Watch Triceps Extension in the Fitness Magazine Video.
How to work your critical triceps muscles.
3 Moves to Target Your Triceps .
Broncos DT Ty Warren will undergo surgery to repair triceps .
Broncos defensive tackle Ty Warren will undergo surgery Tuesday morning to repair his partially torn right triceps .
Triceps injury could be serious for Ty Warren, Broncos.
Denver Broncos defensive end Jason Hunter had surgery on his torn triceps Wednesday and is out for four months.
Baltimore linebacker Ray Lewis most likely is out for the season with a torn triceps.
The injury was originally believed to be to his elbow, but an MRI revealed Tuesday that it was the triceps.

In science:

There are seven potential predictors of diabetes recorded for this group; number of pregnancies (NP); plasma glucose concentration (PGC); diastolic blood pressure (BP); triceps skin fold thickness (TST); body mass index (BMI); diabetes pedigree function (DP) and age (AGE).
Estimating the evidence -- a review