compassus

1 compassus [cf. OF compas] 1 pair of compasses (? or circle). b circle. a computa terciarios et 12 invenies, desuper quos ducas ~um et invenies quod tanget unumquemque ternarium Dastin Ros. 12.  b sicut omnes spatule concurrunt ad centrum ~i Dastin Ros. 12; 1342 ad facturam unius tunice ‥ de camoca virid’ et rub’ operat’ cum iiij compass’ de auro et argento soudat’ cum ij scuchons KR Ac 389/14 m. 6; 1352 iij nouch’ parv’ de una secta cum perulis et petrar’ cum iij dim’ compass’ Reg. Black Pr. IV f. 44 (Cal. p. 69) . 2 mariner’s compass. in cujus [Plimmuth Haw] summitate ‥ in navigantium usum index nauticus, quem ~um dicunt, longe pulcherrimus erigitur Camd. Br. 163.

2 compassus v. compati