pincer vs pair of tweezers

pincer and pair of tweezers both are nouns.

Word	Noun	Adjective	Verb	Adverb
pincer	Yes	No	No	No
pair of tweezers	Yes	No	No	No

As nouns, pincer and pair of tweezers are synonyms defined as:

pincer and pair of tweezers: a hand tool for holding consisting of a compound lever for grasping

Other synonyms of pincer include pair of pincers, tweezer.

pincer (noun)	pair of tweezers (noun)
a grasping structure on the limb of a crustacean or other arthropods	a hand tool for holding consisting of a compound lever for grasping
a hand tool for holding consisting of a compound lever for grasping