English Dictionary |
JAWLESS FISH
Pronunciation (US): | (GB): |
Dictionary entry overview: What does jawless fish mean?
• JAWLESS FISH (noun)
The noun JAWLESS FISH has 1 sense:
1. eel-shaped vertebrate without jaws or paired appendages including the cyclostomes and some extinct forms
Familiarity information: JAWLESS FISH used as a noun is very rare.
Dictionary entry details
Sense 1
Meaning:
Eel-shaped vertebrate without jaws or paired appendages including the cyclostomes and some extinct forms
Classified under:
Nouns denoting animals
Synonyms:
agnathan; jawless fish; jawless vertebrate
Hypernyms ("jawless fish" is a kind of...):
aquatic vertebrate (animal living wholly or chiefly in or on water)
Hyponyms (each of the following is a kind of "jawless fish"):
ostracoderm (extinct fish-like jawless vertebrate having a heavily armored body; of the Paleozoic)
heterostracan (extinct jawless fish with the anterior part of the body covered with bony plates; of the Silurian and Devonian)
cephalaspid; osteostracan (extinct jawless fish of the Devonian with armored head)
anaspid (extinct small freshwater jawless fish usually having a heterocercal tail and an armored head; of the Silurian and Devonian)
conodont (small (2 inches long) extinct eellike fish with a finned tail and a notochord and having cone-shaped teeth containing cellular bone; late Cambrian to late Triassic; possible predecessor of the cyclostomes)
cyclostome (primitive aquatic vertebrate)
lamper eel; lamprey; lamprey eel (primitive eellike freshwater or anadromous cyclostome having round sucking mouth with a rasping tongue)
hag; hagfish; slime eels (eellike cyclostome having a tongue with horny teeth in a round mouth surrounded by eight tentacles; feeds on dead or trapped fishes by boring into their bodies)
Holonyms ("jawless fish" is a member of...):
Agnatha; superclass Agnatha (superclass of eel-shaped chordates lacking jaws and pelvic fins: lampreys; hagfishes; some extinct forms)
Context examples
Any jawed or jawless organisms in the phylum Chordata including the jawless fish, armored fish, cartilaginous fish, ray-finned fish and lobe-finned fish.
(FISH, NCI Thesaurus/CDISC)
Learn English with... Proverbs |
"It is more becoming to have a large nose than two small ones" (Breton proverb)
"People are enemies of that which they don't know." (Arabic proverb)
"Barking dogs don't bite." (Dutch proverb)