'Siphonia' definitions:
Definition of 'Siphonia'
From: GCIDE
- Siphonia \Si*pho"ni*a\, n. [NL.] (Bot.) A former name for a euphorbiaceous genus (Hevea) of South American trees, the principal source of caoutchouc. [1913 Webster]
Definition of 'Siphonia'
From: GCIDE
- Siphonium \Si*pho"ni*um\, n.; pl. Siphonia. [NL., from Gr. ????, dim. of ????. See Siphon.] (Anat.) A bony tube which, in some birds, connects the tympanium with the air chambers of the articular piece of the mandible. [1913 Webster]