Hirudinidae

noun plural
Hir·​u·​din·​i·​dae | \ ˌhir-(y)ə-ˈdin-ə-ˌdē How to pronounce Hirudinidae (audio) \

Medical Definition of Hirudinidae

: a family of aquatic leeches that have 5-ringed segments, 5 pairs of eyes, and usually 3-toothed jaws and that include the common medicinal leech

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