Main Entry: rect·an·gu·lar

Pronunciation: \rek-ˈtaŋ-gyə-lər\

Function: adjective

Date: 1624

1 : shaped like a rectangle <a rectangular area>
2 a : crossing, lying, or meeting at a right angle <rectangular axes> b : having edges, surfaces, or faces that meet at right angles : having faces or surfaces shaped like rectangles <rectangular parallelepipeds> <a rectangular solid>

— rect·an·gu·lar·i·ty \(ˌ)rek-ˌtaŋ-gyə-ˈla-rə-tē\ noun

— rect·an·gu·lar·ly \rek-ˈtaŋ-gyə-lər-lē\ adverb