Assertion: gastropod's siphon | /r/HasProperty | the hyponome
Facets:
Source sentences:
text: In cephalopods the contraction of the mantle is used to force water through a tubular siphon, the hyponome, and this propels the animal very rapidly through the water.
text: Cephalopods such as the octopus and squid have a siphon called the hyponome that they use to expel a jet of water to propel themselves.