head louse

noun
Updated on: 8 Nov 2017

Definition of head louse

: a sucking louse (Pediculus humanus capitis) that lives on the human scalp

Recent Examples of head louse from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'head louse.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of head louse

1547


Medical Dictionary

head louse

noun

medical Definition of head louse

: a sucking louse of the genus Pediculus (P. humanus capitis) that lives on the human scalp

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