To use the organic projections, or appendages, that are equipped with sensory receptors and which are used for holding things; such as, food and for moving around: There are some sea creatures that tentaculate with the projections around their mouths in order to obtain food.

Descriptive of extended and flexible growths; usually, occurring on the head or around the mouth of an animal which is used to touch or to hold something, or to change locations: There is no doubt that many tentaculated animals in oceans and seas still have not been identified by scientists.