a place where roads or railway lines cross

a stream of cars was waiting for the railway crossing barriers to be opened

a place at which one may safely cross something, especially a street

we were thirty yards from the crossing when a man stepped off the pavement

the action of crossing something

the crossing of the Pennines

crossbreeding

go or extend across or to the other side of (an area, stretch of water, etc.)

she has crossed the Atlantic twice

two paths crossed the field

a shadow of apprehension crossed her face

we crossed over the bridge

pass in an opposite or different direction; intersect

the two lines cross at 90°

draw a line or lines across; mark with a cross

voters should ask one question before they cross today's ballot paper

(of a person) make the sign of the cross in front of one's chest as a sign of Christian reverence or to invoke divine protection

Beatie crossed herself quickly at the mention of the dead

pass (the ball) across the field towards the centre when attacking

he could not get to the line to cross the ball

Powell crossed from the left

cause (an animal of one species, breed, or variety) to breed with one of another species, breed, or variety

many animals of the breed were crossed with the closely related Guernsey

oppose or stand in the way of (someone)

no one dared cross him