RECTILINEAL

{ Rec′ti‐lin″e‐al (–l?n″?‐al), Rec′ti‐lin″e‐ar (–l?n″?‐?r), } a. [[Recti- + lineal, linear.]] Straight; consisting of a straight line or lines; bounded by straight lines; as, a rectineal angle; a rectilinear figure or course. — Rec′ti‐lin″e‐al‐ly, adv. — Rec′ti‐lin″e‐ar‐ly, adv.