Answer: teakettles

AnswerCrossword Clue
TEAKETTLESMothers' whistlers?
TEAKETTLESSmall water heaters
TEAKETTLESPots for boiling water
teakettlesA typically metal container with a lid, spout, and handle, used for boiling water
teakettlesTEAKETTLE, a kettle used for making tea