preposition
in the space that separates (two things or people)
in the time that separates (two actions, events, etc.)
used to indicate the beginning and ending points of a group of numbers, a range of measurement, etc.
in shares to each of (two or more people)
used to indicate two or more people or things that together produce a result or have an effect
used to indicate two people or teams that are involved in a game, activity, etc.
used to indicate two or more people or things that are joined, related, or connected in some way
used to indicate two or more people or things that are being considered, compared, etc.
used to indicate movement from one place to another place
known only by (two people)
adverb
in the space separating two things or people
betwixt and between
few and far between