a. [ CF. F. rectangulaire. ] Right-angled; having one or more angles of ninety degrees. -- Rec*tan"gu*lar*ly adv. -- Rec*tan"gu*lar*ness, n. [ 1913 Webster ]
[かくけい;かっけい, kakukei ; kakkei](n) (1) (N)-cornered polygon, incl. triangle; (2) (esp. かくけい) Japanese rectangular envelope (opening on the short dimension; numbered 0-8, A3, A4, each with different sizes)#18775[Add to Longdo]
[ますがた, masugata](n) (1) square (shape); (2) (斗形 only) square bearing block (at the top of a pillar); (3) (in a castle) rectangular space between the inner and outer gates (where troops can gather)[Add to Longdo]