stone canal

American  

noun

1. (in certain echinoderms) a tube lined with calcareous deposits, connecting the madreporite with a circular canal around the mouth.

---

Etymology

Origin of stone canal

First recorded in 1885–90

Example Sentences

A stone path winding through the village was full of diversion: ducks bathing in a stone canal; women stacking flatbreads into a tower; fast-boiling syrup in a metal pot.

From New York Times

“Wet, dark, and creepy,” said Oliver, as he listened to a peculiar whispering noise made by the water as it glided along in its stone canal, the sound being repeated in a faint murmur from the sides and top.

From Project Gutenberg

Af ter three hours and a half slow march we reached the Orontes, near a spot where a large wheel, of the same construction as those at Hamah, raises the water from the river, and empties it into a stone canal, by means of which the neighbouring fields are irrigated.

From Project Gutenberg