gnathotheca

As nouns the difference between taxonomy and gnathotheca

is that taxonomy is the science or the technique used to make a classification while gnathotheca is the horny covering of the lower part of a bird's beak.

As nouns the difference between beak and gnathotheca

is that beak is anatomical uses while gnathotheca is the horny covering of the lower part of a bird's beak.

As a verb beak

is strike with the beak.

As nouns the difference between covering and gnathotheca

is that covering is that which covers something while gnathotheca is the horny covering of the lower part of a bird's beak.

As a verb covering

is present participle of lang=en.

As an adjective horny

is hard or bony, like an animal's horn.

As a noun gnathotheca is

the horny covering of the lower part of a bird's beak.

Rhamphotheca is a related term of gnathotheca.

As nouns the difference between gnathotheca and rhamphotheca

is that gnathotheca is the horny covering of the lower part of a bird's beak while rhamphotheca is a thin horny sheath of keratin on the outer surface of a bird's beak.