The Collaborative International Dictionary
Cancriform
Cancriform \Can"cri*form\, a. [Cancer + -form; cf. F. cancriforme.]
Having the form of, or resembling, a crab; crab-shaped.
Like a cancer; cancerous.
Wiktionary
cancriform
a. 1 Having the form of a crab 2 (context pathology English) Resembling cancer