[1] : The Collaborative International Dictionary of English v.0.48

lancelet \lance"let\, n. lance + -let. zool.
   a small fishlike animal amphioxus lanceolatus, remarkable
   for the rudimentary condition of its organs. it is the type
   of the class leptocardia. see amphioxus, leptocardia.
   1913 webster
see also:
amphioxus lanceolatus amphioxus leptocardia 

[2] : The Collaborative International Dictionary of English v.0.48

amphioxus \am`phiox"us\, n. nl., fr. gr. 'amfi` + ? sharp.
   zool.
   a fishlike creature amphioxus lanceolatus, two or three
   inches long, found in temperature seas; -- also called the
   lancelet. its body is pointed at both ends. it is the
   lowest and most generalized of the vertebrates, having
   neither brain, skull, vertebrae, nor red blood. it forms
   the type of the group acrania, leptocardia, etc.
   1913 webster
see also:
amphioxus lanceolatus lancelet acrania leptocardia 

[3] : WordNet (r) 2.0

lancelet
     n : small translucent lancet-shaped burrowing marine animal;
         primitive forerunner of the vertebrates syn: amphioxus
see also:
amphioxus 

Lancelet >> L Words
Lancelet, definition of term: Lancelet
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