icebreaker

1 ENTRIES FOUND:
icebreaker /ˈaɪsˌbreɪkɚ/ noun
plural icebreakers
icebreaker
/ˈaɪsˌbreɪkɚ/
noun
plural icebreakers
Britannica Dictionary definition of ICEBREAKER
[count]
1 
: a ship designed to clear a passage through ice
2 
: something done or said to help people to relax and begin talking at a meeting, party, etc. — see also break the ice at 1ice