MEANING: verb intr.:
1. To establish a connection with someone in a different group or organization for purposes of working together, coordinating efforts, exchanging information, etc.
2. To act as a link between two or more parties.

ETYMOLOGY: Back-formation from liaison, from French liaison, from Latin ligation (binding), from ligare (to bind). The word rose to prominence as British military slang during WWII. Earliest documented use: 1928.

LIMA IS E - what they say in Peru, Indiana, about the city in Ohio (YCLIU)

LIPAISE - a fat-digesting enzyme, sort of

TIA-ISE - to make your sister into an aunt by giving birth