Convolve and Hovering

verb

• Curl, wind, or twist together.
  • synonyms: convolute

(v.t.) To roll or wind together; to roll or twist one part on another.

(p.pr.&vb.n.) of Hover.

(DoD) A self-sustaining maneuver whereby a fixed, or nearly fixed, position is maintained relative to a spot on the surface of the Earth or underwater.