Of the beak of a bird: Furnished with a cere.

Of birds: Without a cere.

Of or relating to the cutting edge or edges of a bird's bill (cf. tomium, n.).

Of the nature of a cere.

Of the beak of a bird: having mandibles of equal length.

Ornithology. (See quot. 1872.)

Pertaining to the cere, n. of a bird's bill.

Situated between the rami or branches of the lower jaw.

Designating a relatively rigid type of palate and jaw characteristic of a small number of living and some fossil birds (sometimes classified as a…

Relating to, involving, or exhibiting prokinesis.

Relating to, involving, or exhibiting rhynchokinesis.