Definitions
1.verbTo make pits in; to mark with little hollows."Exposure to acid rain pitted the metal."
2.verbTo put (an animal) into a pit for fighting.
3.verbTo bring (something) into opposition with something else."Are you ready to pit your wits against one of the world's greatest puzzles?"
4.verbTo return to the pits during a race for refuelling, tyre changes, repairs etc.
5.verbTo remove the stone from a stone fruit or the shell from a drupe."One must pit a peach to make it ready for a pie."
6.adjectiveHaving a surface marked by pits; pockmarked or alveolate
7.adjective(of fruit) Having had the pits removed
8.adjective(of a maintenance area) Provided with one or more inspection pits.