Syngnathi \Syng"na*thi\, n. pl. [NL., fr. Gr. sy`n with + ?
jaw.] (Zool.)
A suborder of lophobranch fishes which have an elongated
snout and lack the ventral and first dorsal fins. The
pipefishes and sea horses are examples. -- {Syng"na*thous},
a.
[1913 Webster]