crotal

plural crotals

1. A crotalum, a type of clapper used in Ancient Greece.
2. A small round bell or rattle; a jingle bell.

   The tumuli of most of these people have yielded bells, of both the crotal and swinging-clapper varieties.

   1978, Nathaniel Spear, A Treasury of Archaeological Bells, page 14

   1 more example

   The earliest type animal bell used was the crotal or sleigh bell. Rather than a round ball as we know it today, it was a birdcage style with pebble rolling around inside.

   1970, Dorothy Malone Anthony, The World of Bells, page 14

plural crotals

1. alternativeAlternative form of crottle (“a lichen used for dyeing”).