CONSTRICTOR, noun 1. That which draws together or contracts. In anatomy, a muscle which draws together or closes an orifice of the body; as the constrictor labiorum, a muscle of the lips. 2. A species of serpents, the black snake of the United States. Also, the Boa constrictor the largest of known serpents.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI