Definition of annelid in English:


Syllabification: an·ne·lid
Pronunciation: /ˈanlid


  • A segmented worm of the phylum Annelida, such as an earthworm or leech.
    More example sentences
    • Most biologists are familiar with only a few of the approximately 40 extant animal phyla such as annelids, arthropods, molluscs, echinoderms and chordates.
    • The position and composition of these cells suggests that they are homologous to the gliointerstitial cell system of molluscs, sipunculans, annelids echiurans.
    • After examining the opening of these traces, it is tempting to assign their origin to the behavior of vermiform borers such as annelids, sipunculids, or phoronids.


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  • Relating to or denoting annelids.
    More example sentences
    • These differences in expression domains indicate changes in the regulation of these genes somewhere in the annelid lineage.
    • It is clear that two different hydrophobic motifs are conserved in annelid species.
    • If reptiles could develop into birds then annelid worms could develop into insects.



Pronunciation: /əˈnelidn/
noun & adjective
More example sentences
  • One widely-mooted suggestion is that planktotrophic larvae, typified by the annelidan trochophore and echinoid pluteus, existed long before the metazoan radiations evident in the Cambrian fossil record.
  • At first glance, the animals in the annelidan and molluskan groups look like they have little in common.
  • The high degree of diversity of the annelidan nervous system may seem to weaken the power of the ropeladder-like nervous system to act as an apomorphic characteristic for a taxon comprising Annelida and Arthropoda.

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