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Webster 1913 Edition

Hydrachnid

Hy-drach′nid

,

Noun.

[

Hydr-

+ ar

achnid

.]

(Zool.)

An aquatic mite of the genus

Hydrachna

. The hydrachnids, while young, are parasitic on fresh-water mussels.

Definition 2024

hydrachnid

hydrachnid

English

a hydrachnid

Noun

hydrachnid ‎(plural hydrachnids)

(zoology) An aquatic mite of the genus Hydrachna or of its relatives in Hydrachnidiae or similar groups.