What is the meaning of -ant?

The agent noun derived from verb.

An adjective corresponding to a noun in -ance, having the sense of "exhibiting (the condition or process described by the noun)".

An adjective derived from a verb, having the senses of: (a) "doing (the verbal action)", and/or (b) "prone/tending to do (the verbal action)".

Alternative form of -and

appended to the stem of a verb, it yields a noun which signifies the subject who performs the action of that verb (see agent noun)

-ing; suffix denoting the gerund and present participle of a verb

-ant, -ing; forms adjectives out of verbs

forms adjectives from words other than verbs

-er; forms nouns out of verbs

Forms agent nouns, mostly from verbs of Romance or Latin origin.

Added to a stem - often an onomatopoeia - to form a verb expressing an instantaneous action.

third-person plural present active indicative of

used to form the present participle of verbs

used to form the present participle of verbs

-ant (agent noun derived from verb)

show the action of a verb or its result, -tion, -ment

verb suffix for the third-person plural present indicative/future

Source: wiktionary.org