1. protrusible - Adjective
2. protrusible - Adjective Satellite
capable of being thrust forward, as the tongue
Source: WordNetOther distinguishing features of the order are the presence of protrusible eyes, another adaptation to living on the seabed ( benthos ), and the extension of the dorsal fin onto the head. Source: Internet
The body is ringed and often has circles of spines, which are continued into the slightly protrusible pharynx. Source: Internet