nucamentt (nukament)

[ nucamentaceous (nūka-men-tā'shius), a. [ a nucament or catkin. ( b ) Nut-like in character. nucellus (nu-sel'us), n.; pl. nucelli (-1). [NL., pertaining to the nucha or nape: as, the nuchal muscles.-2. In entom.: ( a ) Situated superiorly, just behind the head: said especially of ornaments, proce es, etc., on an insect-larva. (b) Of or pertaining to the meta notal nucha. Nuchal ligament. See lig amentum nuchæ, under lig a. mentum. - Nuchal tentacles, thread-like organs which can be protruded from the neck, found in certain caterpillars. They often emit a disagreeable scent, and are supposed to serve for driving away ichneumons or other enemies.