to cook (meat) slowly, first in fat and then in a little water

prepare food, usually using heat

a very short wave (as used in radio and radar)

cook

to get or make (a person, thing) ready

make or get ready

to practise (a play, music, a speech etc) before a public performance

prepare for performance

to become adjusted to a new environment, new conditions etc

repeat action to improve

(of snow and ice) to begin to melt; (to cause anything frozen) to become liquid or soft again

unfreeze, warm