costate
adjective
1 costate
of the surface Having a rough, riblike texture.
synonym: ribbed.
Roget 259: furrowed etc. v.; ribbed, striated, sulcated [Anat.], fluted, canaliculated†; bisulcous†, bisulcate†, bisulcated†; canaliferous†; trisulcate†; ... show more
2 costate
Having ribs.
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