browse words by letter
a
b
c
d
e
f
g
h
i
j
k
l
m
n
o
p
q
r
s
t
u
v
w
x
y
z
plesiosaurus |
2 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Plesiosaurus \Ple`si*o*sau"rus\, n.; pl {Plesiosauri}. [NL., fr Gr ? near + ? a lizard.] (Paleon.) A genus of large extinct marine reptiles, having a very long neck, a small head, and paddles for swimming. It lived in the Mesozoic age. From WordNet r 1.6 [wn]: plesiosaurus n : extinct marine reptile with a small head on a long neck a short tail and four paddle-shaped limbs; of the Jurassic and Cretaceous [syn: {plesiosaur}]
more about plesiosaurus