Sea adder \Sea" ad"der\ (Zo["o]l.)
(a) The European fifteen-spined stickleback ({Gasterosteus
spinachia}); -- called also {bismore}.
(b) The European tanglefish, or pipefish ({Syngnathus acus}).
Bismer \Bis"mer\, n.
1. A rule steelyard. [Scot.]
2. (Zo["o]l.) The fifteen-spined ({Gasterosteus spinachia}).