Wiktionary
ice-breakers
n. (ice-breaker lang=en nodot=1) ((alternative spelling of icebreakers lang=en nocap=1 nodot=1)).
Usage examples of "ice-breakers".
I once talked with a decker who went by the handle of Merlin who'd named all of his ice-breakers after spells.
Val, with her passion for baseball, had designed and named her ice-breakers for pitches.