drop-leaf table vs drop-leaf

drop-leaf table and drop-leaf both are nouns.

Word	Noun	Adjective	Verb	Adverb
drop-leaf table	Yes	No	No	No
drop-leaf	Yes	No	No	No

drop-leaf table (noun)	drop-leaf (noun)
a table that has a drop-leaf to enlarge its surface	a hinged leaf on a table that can be raised and supported by a bracket