What is the meaning of Tic?

A sudden, nonrhythmic motor movement or vocalization.

Something that is done or produced habitually or characteristically.

ticket

To exhibit a tic; to undergo a sudden, semi-voluntary muscle movement.

work

tic

tic

tic, twitch

third-person singular/plural present indicative of ticēt

third-person singular imperative of ticēt

third-person plural imperative of ticēt

Obsolete form of spic.

tic (movement)

tick (written mark)

tick (sound)

a tic

(unreasonable) compulsory behavior, a tic

Source: wiktionary.org