(léng) square beam; variant of 稜|棱[leng2]
(léng) corner; edge; arris (sharp ridge formed by two surfaces meeting at an edge); protrusion
(léngzhù) prism
(léngtái) prism
(léngjiǎo) edge and corner; protrusion; sharpness (of a protrusion); craggy; ridge corner
(léngzhuī) pyramid (geometry)
(léngjìng) prism; prismatic lens