(US, slang) A thingamajig; a whatchamacallit. / (US, slang) A marijuana cigarette.

(psychology) Reinforcement that occurs when you imitate the behavior of someone who has been reinforced for that behavior, as when avoiding hot water having seen another person burned by it.

(fishing) To catch (fish (usually very large catfish), turtles, or other aquatic animals) with the hands; also, to catch (fish) using a gaff or fishing spear; to gaff.

plural of call