s, a, o, d, f, l, c, h, r, i, w, y are letters that make 'Old World crayfish'
OR, fish, old, Old, ray, crayfish, world, Old World, RA, Fish, Ra, Cr are words within 'Old World crayfish'
1 possible definitions for 'Old World crayfish'
Under this definition, old world crayfish is a noun and has the following properties:
ecrevisse has the same meaning as Old World crayfish
'Old World crayfish' can be a type of crayfish, crawfish, crawdad, crawdaddy.
'Old World crayfish' can be a member of Astacus, genus Astacus.
crayfish, crawfish, crawdad, ecrevisse are parts of 'Old World crayfish'.