What part of speech is manducate?

Manducate can be categorized as a verb.

Parts of speech

1. manducate is a verb, present, 1st person singular of manducate (infinitive).
2. manducate is a verb (infinitive).

Verb
manducate - chew (food); to bite and grind with the teeth; "He jawed his bubble gum"; "Chew your food and don't swallow it!"; "The cows were masticating the grass"