
• (n.) 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. • (n.) A tentacle.
Found on
http://thinkexist.com/dictionary/meaning/tentaculum/

(from the article `chimaera`) ...chimaeras have a single external gill opening, covered by a flap as in the bony fishes, on each side of the body. Male chimaeras, unique among ...
Found on
http://www.britannica.com/eb/a-z/t/25
Ten·tac'u·lum noun ;
plural Tentacula . [ New Latin See
Tentacle .]
1. (Zoology) A tentacle.
2. (Anat.) 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.
Found on
http://www.encyclo.co.uk/webster/T/27

tentaculum (s), tentacula (pl) A feeler or tentacle, as when someone feels or perceives by the senses; especially, by touch. The political characteristic of the early Greeks, and of the early Romans, too, is that out of the tentacula of a monarchy they developed the organs of a republic. —Oxford English Dictionary
Found on
http://www.wordinfo.info/words/index/info/view_unit/2110/2
No exact match found.