(geometry) a plane rectangle with four equal sides and four right angles; a four-sided regular polygon
having four equal sides and four right angles or forming a right angle
make square
an open area at the meeting of two or more streets
the product of two equal terms
(botany) the usually underground organ that lacks buds or leaves or nodes; absorbs water and mineral salts; usually it anchors the plant to the ground
the place where something begins, where it springs into being
