from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The expanse of an open mouth, a bird's beak, or similar structure.
- n. A gaping grimace: "his mouth gaping in a kind of rictus of startled alarm” ( Richard Adams).
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A bird's gaping mouth
- n. Any open-mouthed expression
from the GNU version of the Collaborative International Dictionary of English
- n. The gape of the mouth, as of birds; -- often resricted to the corners of the mouth.
from The Century Dictionary and Cyclopedia
- n. In ornithology, the gape of the bill; the cleft between the upper and the lower mandible when the mouth is open.
- n. In botany, the throat, as of a calyx, corolla, etc.; the opening between the lips of a ringent or personate flower.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a gaping grimace
Latin, from past participle of ringī, to gape.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin rictus, participle of ringor ("open the mouth wide") (Wiktionary)