armscye

American  

[ahrm-sahy, -zahy] / ˈɑrm saɪ, -zaɪ /

Also armseye

noun

1. (especially in tailoring and dressmaking) the armhole opening in a garment through which the hand, and then the arm, passes, and to which a sleeve may be attached.

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Etymology

Origin of armscye

First recorded in 1920–25; arm ¹ + scye “armhole” (originally Scots, Ulster dialect s(e)y, sie, of uncertain origin); reanalyzed by folk etymology as “arm's eye”