1. decapod - Noun
2. decapod - Adjective
A crustacean with ten feet or legs, as a crab; one of the Decapoda. Also used adjectively.
Source: Webster's dictionaryShe was excited to be participating in a "spy" adventure alongside secret agent Steed (although some episodes—"The Removal Men", " The Decapod "—indicate she is not always enthusiastic). Source: Internet