Definition of crossband:
(n) :
A band going across something, especially:
(adj) :
(telecommunications) Receiving on one frequency band and transmitting on another.
(n) :
A layer of plywood with its grain at a right angle to the wood next to it.
(n) :
(biology) A band or stripe perpendicular to the body of an animal.
(n) :
A strip (of leather, metal, or some other material) going across a helmet or hat, or a helmet made with such a strip.
(v) :
(transitive) To arrange the layers of plywood so as to make their grains cross at right angles.