To keep distinct or apart by an intervening space or barrier. Of the intervening medium: To occupy the space or interval between. Also figurative.

To keep apart or divide by an intervening space or barrier. Of the intervening medium: To part by lying between, to occupy the space or interval…

transitive. To keep apart; to form a barrier or intervening space separating (something) from something else.

In various nonce-uses. To separate from by a gulf or chasm.

To apportion, distribute; to separate into shares, divide; rarely to divide or partition off from.