'Siphonal' definitions:

Definition of 'Siphonal'

From: GCIDE
  • Siphonal \Si"phon*al\, a. Of or pertaining to a siphon; resembling a siphon. [1913 Webster]
  • Siphonal stomach (Zool.), a stomach which is tubular and bent back upon itself, like a siphon, as in the salmon. [1913 Webster]