Main Entry:

head·ache

Pronunciation:

\ˈhed-ˌāk\

Function:

noun

Date:

before 12th century

1 : pain in the head 2 : a vexatious or baffling situation or problem <meetings had become a giant headache — Franklin Foer>

— head·achy also head·achey \-ˌā-kē\ adjective