Obs. [Cf. next.] A wide mouth suggestive of that of a sparrow.
1673. Hickeringill, Greg. Father Greyb., 314. Split jaws, sparrow-mouths, grunting, lyons faces, hems, haws.
1699. R. LEstrange, Fables, II. lvi. (1715), II. 55. Why what a Hawks Nose have we got here! and what a Sparrow-Mouth!
1700. S. Parker, Six Philos. Ess., 25. To me it seems a Miracle that all Hypocrites dont squint, but come off without inverted Pupils, Sparrow-Mouths and blubberd Lips.
[1756. Amory, Buncle (1770), III. 215. His nose hooked like a buzzard, wide nostrils like a horse and his mouth sparrow.]