belemnite
[ bel-uh m-nahyt ]
/ ˈbɛl əmˌnaɪt /
noun Paleontology.
a conical fossil, several inches long, consisting of the internal calcareous rod of an extinct animal allied to the cuttlefish; a thunderstone.
Origin of belemnite
1640–50; < French
bélemnite, equivalent to Greek
bélemn(on) a dart (noun derivative from base of
bállein to throw) + French
-ite
-ite1
Words nearby belemnite
Example sentences from the Web for belemnite
British Dictionary definitions for belemnite
belemnite
/ (ˈbɛləmˌnaɪt) /
noun
any extinct marine cephalopod mollusc of the order Belemnoidea, related to the cuttlefish
the long pointed conical internal shell of any of these animals: a common Mesozoic fossil
Word Origin for belemnite
C17: from Greek
belemnon dart
Scientific definitions for belemnite
belemnite
[ bĕl′əm-nīt′ ]
Any of various extinct cephalopod mollusks of the order Belemnoidea that lived from the Triassic into the Tertiary Period. Belemnites had a large, cone-shaped internal shell with a complex structure that served as a support for muscles and as a hydrostatic device. Belemnites were closely related to the present-day squids and cuttlefishes.
The fossilized internal shell of one of these cephalopods. Belemnites are used as index fossils.