stone canal
noun
(in certain echinoderms) a tube lined with calcareous deposits, connecting the madreporite with a circular canal around the mouth.
Origin of stone canal
First recorded in 1885–90
Words nearby stone canal
stone axe,
stone bass,
stone boiling,
stone bramble,
stone bruise,
stone canal,
stone china,
stone cold,
stone crab,
stone curlew,
stone deaf