lancelet

UK:**UK and possibly other pronunciationsUK and possibly other pronunciations/ˈlɑːnslɪt/US:USA pronunciation: respellingUSA pronunciation: respelling(lans′lit, läns′-)


WordReference Random House Unabridged Dictionary of American English © 2026
lance•let  (lans′lit, läns′-),USA pronunciation n. 
  1. Invertebratesany of several small, lancet-shaped burrowing marine animals of the subphylum Cephalochordata, having a notochord and bearing structural similarities to both vertebrates and invertebrates. Also called amphioxus. 
  • lance2 + -let 1565–75

Collins Concise English Dictionary © HarperCollins Publishers::
lancelet /ˈlɑːnslɪt/ n
  1. any of several marine animals of the genus Branchiostoma (formerly Amphioxus), esp B. lanceolatus, that are closely related to the vertebrates: subphylum Cephalochordata (cephalochordates)Also called: amphioxus
Etymology: 19th Century: referring to the slender shape
'lancelet' also found in these entries (note: many are not synonyms or translations):
amphioxus

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