n. A percussion instrument (idiophone) consisting of a pair of concave shells joined on one edge by a string, held in the hand and used to produce clicking sounds.
the GNU version of the Collaborative International Dictionary of English
noun-plural. Two small, concave shells of ivory or hard wood, shaped like spoons, fastened to the thumb, and beaten together with the middle finger; -- used by the Spaniards and Moors as an accompaniment to their dance and guitars.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a percussion instrument consisting of a pair of hollow pieces of wood or bone (usually held between the thumb and fingers) that are made to click together (as by Spanish dancers) in rhythm with the dance
Word Usage
"Daikoku band: they were to sing the ballads Those with the castanets were the Ebisu party and formed the chorus."