tambour
tam·bour
noun \ˈtam-ˌbu̇(ə)r, tam-ˈ\Definition of TAMBOUR
: a shallow metallic cup or drum with a thin elastic membrane supporting a writing lever used to transmit and register slight motions (as arterial pulsations and peristaltic contractions)
Learn More About
Seen & Heard 
What made you want to look up tambour? Please tell us where you read or heard it (including the quote, if possible).
