• WordNet 3.6
    • adj asternal not connected to the sternum or breastbone "asternal ribs"
    • ***
Webster's Revised Unabridged Dictionary
    • a Asternal (Anat) Not sternal; -- said of ribs which do not join the sternum.
    • ***
Century Dictionary and Cyclopedia
    • asternal Having no sternum or breast-bone, as a serpent.
    • asternal Not reaching to or connected with the sternum: as, asternal ribs, that is, floating ribs, ribs which do not articulate with the breast-bone.
    • ***


Webster's Revised Unabridged Dictionary
Pref. a-, not + sternal,


In literature:

They look kinder shaky, an' if a followin' sea shu'd catch us astern, we'd be all swamped in hyar, I guess.
"The Island Treasure" by John Conroy Hutcheson
The Skylark was rapidly approaching, with the Sea Foam nearly half a mile astern of her.
"The Yacht Club" by Oliver Optic
To lighten her, the little boat astern was cut adrift.
"Under the Waves" by R M Ballantyne
Columbus, calm as usual, ordered the pilot to carry out an anchor astern.
"Notable Voyagers" by W.H.G. Kingston and Henry Frith
At last we got a kedge out right astern, and the crew manned the capstan.
"In the Wilds of Africa" by W.H.G. Kingston
The forward hawser was thrown off and fell with a splash into the sea; astern we were yet alongside the quay.
"Adventures in Many Lands" by Various
We carried two 5-inch guns in our bow and two astern.
"The U-boat hunters" by James B. Connolly
Reaching the main deck he edged his way along between the narrow passageway and the washroom to a secluded spot astern.
"Tom Slade on a Transport" by Percy Keese Fitzhugh
The dark seas came rolling up astern, their crests hissing and foaming, threatening to break over the poop.
"The Voyages of the Ranger and Crusader" by W.H.G. Kingston
Looking out astern, he saw the first captured dhow following in his wake.
"The Three Commanders" by W.H.G. Kingston

In poetry:

Plants that welcome the stranger,
Sea-swept and driven astern,
Beloved by the wide-world ranger—
Seaweed, tussock, and fern.
"Seaweed, Tussock and Fern" by Henry Lawson
North! We are sailing North,
The song at the windlass is done.
The slim, still palms, astern,
Are black ‘gainst the orange sun.
"Sailing North Off Pernambuco" by Theodore Goodridge Roberts
A shadow deep in the wave astern,
A quiver of green, a sliding fin
Shifting, but ever keeping the course—
Silent and keen as sin.
"The Shark" by Theodore Goodridge Roberts
Through the doldrums, across the Line
We crawled; and on deck, at every turn,
The Skipper marked, with uneasy gaze,
That voyaging fin astern.
"The Shark" by Theodore Goodridge Roberts
How long… since their last shell gouged our batteries?
How long… since we rose at aim with a sleuth moon astern?
(It was the damned green moon that nosed us out…
The moon that flushed our periscope till it shone like a silver flame…)
"The Everlasting Return" by Lola Ridge
We left the friendly stars astern, the Irish lights agleam,
We dared the seas in sailing-ships before the days of steam,
We faced a weird wild waste of world that brave men trembled at:
No shipside welcome met the men who came with Father Pat.
"Vale` - Father Pat" by John O Brien

In news:

A Brighter View Astern Than Over the Bow.
This gives "Aries" a bollard pull of 10.75 short tons ahead and 7.95 short tons astern.