Obs. Also quadrat. [App. an alteration of QUADRANT sb.1, through assoc. with prec., or through misreading of quadrāt = quadrant.]
1. A quarter; spec. of a circle. = QUADRANT sb.1 4.
1551. Recorde, Pathw. Knowl., I. Defin., The quarter of a circle, named a quadrate.
1604. R. Cawdrey, Table Alph., Quadrate, a quarter.
2. = QUADRANT 5.
1551. Recorde, Pathw. Knowl., II. Pref. The arte of Measuryng by the quadrate geometricall, and the disorders committed in vsyng the same. Ibid. A newe quadrate newely inuented by the author hereof.
1559. W. Cunningham, Cosmogr. Glasse, 163. The use of the shipmans quadrat, whose inventor was worthy D. Gemma. Ibid., 164. The hier part of the Quadrate.