lancet
From ZooTerms (Dictionary of Invertebrate Zoology)
lancet (noun; Latin lancea, light spear): 1. Any piercing structure.
2. (Arthropoda: Insecta) a. In Hymentoptera, the first valvulae. b. The first gonapophyses of Apis.
3. (NEMATA) Small teeth in the buccal cavity of some nematodes.
