From The Collaborative International Dictionary of English v.0.48 [gcide]:
Embiotocoid \Em`bi*ot"o*coid\, a. [NL. Embiotoca, the name of
one genus + -oid.] (Zo["o]l.)
Belonging to, or resembling, the {Embiotocid[ae]}. -- n. One
of a family of fishes ({Embiotocid[ae]}) abundant on the
coast of California, remarkable for being viviparous; -- also
called surf fish and viviparous fish. See Illust. in
Appendix.
[1913 Webster]