[pro.jec.tion] n (1557) 1 a: a systematic presentation of intersecting coordinate lines on a flat surface upon which features from the curved surface of the earth or the celestial sphere may be mapped b: the process or technique of reproducing a spatial object upon a plane or curved surface or a line by projecting its points; also: a graph or figure so formed
2: a transforming change
3: the act of throwing or thrusting forward
4: the forming of a plan: scheming
5. a (1): a jutting out (2): a part that juts out b: a view of a building or architectural element
6. a: the act of perceiving a mental object as spatially and sensibly objective; also: something so perceived b: the attribution of one's own ideas, feelings, or attitudes to other people or to objects; esp: the externalization of blame, guilt, or responsibility as a defense against anxiety 7: the display of motion pictures by projecting an image from them upon a screen
8. a: the act of projecting esp. to an audience b: control of the volume, clarity, and distinctness of a voice to gain greater audibility 9: an estimate of future possibilities based on a current trend -- pro.jec.tion.al adj syn projection, protrusion, protuberance, bulge mean an extension beyond the normal line or surface. projection implies a jutting out esp. at a sharp angle "those projections along the wall are safety hazards". protrusion suggests a thrusting out so that the extension seems a deformity "the bizarre protrusions of a coral reef". protuberance implies a growing or swelling out in rounded form "a skin disease marked by warty protuberances". bulge suggests an expansion caused by internal pressure "bulges in the tile floor".