major lobe: the maximum lobe in the radiation pattern which is intended to be along the forward axis and which gives the effect of a beam
lobe: the enhanced response of an antenna in a given direction as indicated by a loop in its radiation pattern
coriolis force: (physics) a force due to the earth's rotation; acts on a body in motion (airplane or projectile) in a rotating reference frame; in a rotating frame of reference Newton's second law of motion can be made to apply if in addition to the real forces acting on a body a Coriolis force and a centrifugal force are introduced