The keel or lower outline of a bird's bill, so far as the mandibular rami are united.

Forms nouns that describe the genesis of a class of thing.

(mineralogy) An orthorhombic mineral containing hydrogen, iron, magnesium, manganese, oxygen, and silicon.

(zoology, rare) Pertaining to the gonys of a bird's beak.

(zoology) Any harvestman of the family Gonyleptidae.

plural of gonyleptid

Relating to the gonys.

Any of a family of paralytic shellfish poisons used in the treatment of anal fissures

plural of gonyautoxin

An alga of the genus Gonyaulax.