crosshair

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noun cross·hair \-ˌher\

Definition of crosshair

  1. :  a fine wire or thread in the focus of the eyepiece of an optical instrument used as a reference line in the field or for marking the instrumental axis —used figuratively to describe someone or something being targeted as if through an aiming device having crosshairs <… in the crosshairs this political season — J. H. Alter>

Circa 1884

First Known Use of crosshair

circa 1884



CROSSHAIR Defined for English Language Learners

crosshair

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noun cross·hair \-ˌher\

Definition of crosshair for English Language Learners

  • : a very thin wire or thread that is seen when you look into a microscope, telescope, etc., and that is used for precisely viewing or aiming at something


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WORD OF THE DAY

to strike by flicking the finger outward

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