The Collaborative International Dictionary of English v.0.48:
Lizard \Liz"ard\, n. [OE. lesarde, OF. lesarde, F. l['e]zard, L.
lacerta, lacertus. Cf. Alligator, Lacerta.]
1. (Zool.) Any one of the numerous species of reptiles
belonging to the order Lacertilia; sometimes, also
applied to reptiles of other orders, as the Hatteria.
Note: Most lizards have an elongated body, with four legs,
and a long tail; but there are some without legs, and
some with a short, thick tail. Most have scales, but
some are naked; most have eyelids, but some do not. The
tongue is varied in form and structure. In some it is
forked, in others, as the chameleons, club-shaped, and
very extensible. See Amphisb[ae]na, Chameleon,
Gecko, Gila monster, Horned toad, Iguana, and
2. (Naut.) A piece of rope with thimble or block spliced into
one or both of the ends. --R. H. Dana, Ir.
3. A piece of timber with a forked end, used in dragging a
heavy stone, a log, or the like, from a field.
Lizard snake (Zool.), the garter snake (Eut[ae]nia
Lizard stone (Min.), a kind of serpentine from near Lizard
Point, Cornwall, England, -- used for ornamental purposes.
[1913 Webster] lizardfish