#1 projection n. a prediction made by extrapolating from past observations. wn
#2 projection n. the projection of an image from a film onto a screen. wn
#3 projection n. [project] a planned undertaking. wn
#4 projection n. any structure that branches out from a central support. wn
#5 projection n. any solid convex shape that juts out from something. wn
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