— trajectile /treuh jek"til, -tuyl/ , adj. — trajection /treuh jek"sheuhn/ , n.
/treuh jek"teuh ree/ , n. , pl. trajectories .
1. the curve described by a projectile, rocket, or the like in its flight.
2. Geom. a curve or surface that cuts all the curves or surfaces of a given system at a constant angle.
[ 1660-70; trajectoria, n. use of fem. of ML trajectorius cast-ing over. See TRAJECT, -TORY 1 ]