the outer boundary of an artifact or a material layer constituting or resembling such a boundary | any clever maneuver |
a device that provides reactive force when in motion relative to the surrounding air; can lift or control a plane in flight | an instrumentality invented for a particular purpose |
a superficial aspect as opposed to the real nature of something | an emblematic design (especially in heraldry) |
information that has become public | any ornamental pattern or design (as in embroidery) |
the extended two-dimensional outer boundary of a three-dimensional object | something in an artistic work designed to achieve a particular effect |
the outermost level of the land or sea | |