-n(t)slə̇t noun
( -s )
Etymology: lance (I) + -let
1. obsolete : lancet
2. : any of certain small elongate translucent marine animals that constitute Branchiostoma and related genera making up the Cephalochorda and that become from half an inch to four inches long and are found burrowing in the sand in shallow waters on the coasts of warm and warm-temperate seas in many parts of the world — see amphioxus