verb

put or let something down quickly or briefly in or into (liquid).

he dipped a brush in the paint

immerse,submerge,plunge,duck,dunk,lower,sink,douse,soak,drench,souse,steep,saturate,bathe,rinse

noun

a brief swim.

they cooled off by taking a dip in the pool

swim,bathe,dive,plunge,splash,paddle