A resin derived from the sap of various coniferous trees, as the pines, A throw of the ball by the pitcher to the batter, The alternate lift and descent of the nose and tail of an airplane, intransitive verb_ To set up living quarters; encamp; settle, To oscillate about a lateral axis that is both perpendicular to the longitudinal axis and horizontal to the earth. Used of a missile or spacecraft, To buck, as a horse