Zool. [f. Gr. κοινό-ς common + σάρξ, σαρκ- flesh.] The common living basis or ‘flesh’ by which the several individuals forming a compound zoophyte, or polypidom, are united together.
1849. Murchison, Siluria, App. 539. Chitinous investment, surrounding the cœnosarc and polype.
1888. Rolleston & Jackson, Anim. Life, 245. The hydrosome consists of a number of hydranths or nutritive zooids collectively forming the trophosome and connected to one another by a branching coenosarc.
