tentaculum
Ten*tac"u*lum, n.; pl. Tentacula. Etym: [NL. See Tentacle.] 1. (Zoöl.) Defn: A tentacle. 2. (Anat.) Defn: One of the stiff hairs situated about the mouth, or on the face, of many animals, and supposed to be tactile organs; a tactile hair.
Ten*tac"u*lum, n.; pl. Tentacula. Etym: [NL. See Tentacle.] 1. (Zoöl.) Defn: A tentacle. 2. (Anat.) Defn: One of the stiff hairs situated about the mouth, or on the face, of many animals, and supposed to be tactile organs; a tactile hair.