tear gland vs lachrymal gland

tear gland and lachrymal gland both are nouns.

Word	Noun	Adjective	Verb	Adverb
tear gland	Yes	No	No	No
lachrymal gland	Yes	No	No	No

As nouns, tear gland and lachrymal gland are synonyms defined as:

tear gland and lachrymal gland: any of the glands in the eyes that secrete tears

Other synonyms of tear gland include lacrimal gland.

tear gland (noun)	lachrymal gland (noun)
any of the glands in the eyes that secrete tears	any of the glands in the eyes that secrete tears