Definition of ice-breaking in US English:

ice-breaking

noun

  • The action or process of breaking ice or of breaking through the ice.

adjective

  • That breaks (through) the ice. Frequently in extended use, especially: that breaks through cold reserve or stiffness, facilitating conversation or social ease.

Origin

Early 19th century. From ice + breaking. Compare to break the ice, ice-breaker, ice-breaking<br>early 19th century; earliest use found in Canadian Magazine. From ice + breaking.

Pronunciation

ice-breaking

/ˈʌɪsˌbreɪkɪŋ/