at, into, or across the space separating (two objects or regions)

the border between Mexico and the United States

the dog crawled between us and lay down at our feet

those who travel by train between London and Paris

in the period separating (two points in time)

they snack between meals

the long, cold nights between autumn and spring

in the interval separating (two points on a scale)

a man aged between 18 and 30

between 25 and 40 per cent off children's clothes

indicating a connection or relationship involving two or more parties

links between science and industry

negotiations between the two companies are continuing

by combining the resources or actions of (two or more people or other entities)

we have created something between us

oxygen and nitrogen between them account for 99 per cent of air

in or along the space separating two objects or regions

layers of paper with tar in between

from Leipzig to Dresden, with the gentle Elbe flowing between

in the period separating two points in time

sets of exercises with no rest in between