Naut. Also uphroe, uvrou, uvrow. [a. Du. juffrouw, also juffer dead-eye, lit. ‘maiden’; the equivalent Ger. jungfer, Da. jomfrue, Sw. jungfru are used in same sense.] A crow-foot dead-eye; see quot.

1

1815.  Falconer, Marine Dict. (ed. Burney), Uphroe. Ibid., s.v. Dead-eye, Crowfeet Dead-Eyes … generally termed an euphroe.

2

1867.  Smyth, Sailor’s Word-bk., s.v. Dead-eye, The crowfeet dead-eyes are long cylindrical blocks with a number of small holes in them, to receive the legs or lines composing the crowfoot. Also called uvronus. Ibid., Euphroe, Uphroe, Uvrou.

3

1874.  Knight, Dict. Mech., s.v., The euphroe (or uphroe) and its pendent cords form a crow-foot.

4