What is the meaning of Tac?

The drug cannabis.

to be silent, keep quiet

crown

the back of a shoe

heel of a shoe

I am silent, keep quiet.

day

age, lifetime

convention, congress

judgement day

Alternative form of tag

tick, tock

Onomatopoeia (but not an interjection) which is used to express the accomplishment of what we are doing. Tac, c'est fait.

mange

badger

genitive plural of taca

cue

inflection of tăcea:

  1. first-person singular present indicative/subjunctive
  2. third-person plural present indicative

first-person singular present indicative/subjunctive

third-person plural present indicative

CAT

knock; clack; tock (sound)

Source: wiktionary.org