siphonal

Pertaining to or resembling a siphon.

In zoology:

Pertaining or relating to the siphon of mollusks, etc.

Marked by the siphon of a bivalve mollusk; pallial, as a sinus: as, the siphonal impression of the shell.

Bent into the form of a siphon, as the stomach of certain fishes, one arm of the siphon being the cardiac and the other the pyloric part.

Of or pertaining to a siphon; resembling a siphon.

a stomach which is tubular and bent back upon itself, like a siphon, as in the salmon.

Resembling or relating to a siphon.