a sweet almond-flavored nonalcoholic syrup used as a cocktail ingredient or food flavoring

Pronunciation:
ORR-zha

In a sentence:
When the sorority girls insisted on having orgeat in their drinks, the fraternity boys ran to the liquor store, stocked up, and ran back hand-in-hand, as much giddy as they were pathetic.

In a different sentence:
The party wasn’t the same once the orgeat ran out; one person suggested they use peanut oil instead, but that idea was met with several boos and a good many hisses.