machete: a large heavy knife used in Central and South America as a weapon or for cutting vegetation
entity: that which is perceived or known or inferred to have its own distinct existence (living or nonliving)
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