squaring

1. make square or rectangular; give a square or rectangular cross section to.

   you can square off the other edge

   they felled and squared the timber themselves

2. multiply (a number) by itself.

   5 squared equals 25

3. balance (an account).

   institutions are anxious to square their books before the election

4. bring (one's shoulders) into a position in which they appear square and broad, typically to prepare oneself for a difficult task or event.

   chin up, shoulders squared, she stepped into the room

5. secure the help or acquiescence of (someone), especially by offering an inducement.

   faced with such declarations, politicians were resolved to squash or square the press

6. pass (a ball) across the field, especially towards the centre.
7. set (a yard or other part of a ship) at right angles to the keel or other point of reference.
8. (of a planet) have a square aspect with (another planet or position).

   Saturn squares the Sun on the 17th

Middle English: shortening of Old French esquare (noun), esquarre (past participle, used as an adjective), esquarrer (verb), based on Latin quadra ‘square’.