Can' cer (?), n. [L. cancer, cancri, crab, ulcer, a sign of the zodiac; akin to Gr. , Skr. karkaa crab, and prob. Skr. karkara hard, the crab being named from its hard shell. Cf. Canner, Chancre.]

1. (Zoöl.) A genus of decapod Crustacea, including some of the most common shore crabs of Europe and North America, as the rock crab, Jonah crab, etc. See Crab.

A cancer crab is sometimes referred to as a

A) soft crab.

B) hard crab.

C) James crab.

D) Jonah crab.