plural of cross-sill

(railways) A railroad sleeper lying under the rails transversely as a support to the stringer.

plural of cross-staff

Third-person singular simple present indicative form of cross the Rubicon

simple past tense and past participle of cross the Rubicon

A situation in which two polarised fields are orthogonal to one another.

plural of cross-pole

A pole that runs horizontally between two supports or is supported by a central support. / One of two poles that cross over one another.

A type of antenna that utilises cross-polarisation; an antenna in which the sending and receiving waves are orthogonal to one another.

An intersection at which traffic lights stop traffic from all directions to allow pedestrians to cross in any direction including diagonally.