through the common action of (two or more people or things)
Between them, they managed to lay the carpet
in shares to each of (two or more people or things)
The estate was divided between his four children
in or into the time, or space, or interval that separates (two or more things)
between the rafters
in intermediate relation to (two things)
a colour between blue and grey
from one to the other of (two places)
travelling between London and Paris
serving to connect or separate (two things)
The dividing line between fact and fancy
in point of comparison of (two things or people)
not much to choose between them
taking together the total effect of (two or more things)
She kept very busy between cooking, writing, and gardening
between you and me
in confidence
[Old English betwēonum, from be- + -twēonum (dative pl); related to Old English twā two]