1. Observer attentivement une situation avant de s'engager.
Ce cheval tâte le terrain, il ne marche pas franchement, il n'a pas les pieds sûrs.
Reconnaître le terrain ; tâter, sonder le terrain.
2. [verb] (idiom) To wait for all the information about something before taking action.
3. [verb] (idiomatic) To explore or watch for; ask around; investigate.
4. [verb] (idiomatic) To explore or probe, as before making a commitment.
5. [verb] (slang) (archaic) To raise money on commercial notes.