prism

prism

edge and corner; protrusion; sharpness (of a protrusion); craggy; ridge corner

pyramid (geometry)

(optics) prism

see 丹稜縣|丹棱县[Dan1 ling2 Xian4]

(onom.) sound of quick movement; Taiwan pr. [ci4leng2]

(onom.) fluttering or flapping of wings

(of wings, curtains etc) to flap; to flutter

ambiguous; undecided and unclear