1. A naval unit consisting of two or more divisions of a fleet.
2. an armored cavalry unit subordinate to a regiment and consisting of two or more troops.
3. A cavalry or armored unit of a european army, corresponding to a company.
4. A basic tactical air force unit, subordinate to a group and consisting of two or more flights.
5. A multitude or horde: "squadrons of flies like particles of dust danced up and down” ( T.E. lawrence).

1. primarily, a square; hence, a square body of troops; a body of troops drawn up in a square.
2. A body of cavalry comprising two companies or troops, and averaging from one hundred and twenty to two hundred soldiers.
3. A detachment of vessels employed on any particular service or station, under the command of the senior officer; as, the north atlantic squadron.
4. A tactical air force unit; consists of at least two flights; multiple squadrons make up a group.

1. primarily, a square; hence, a square body of troops; a body of troops drawn up in a square.
2. A body of cavalry comprising two companies or troops, and averaging from one hundred and twenty to two hundred men.
3. A detachment of vessels employed on any particular service or station, under the command of the senior officer.

1. to form into squadrons, as a body of soldiers.
2. to form in order; array.
3. A square.
4. A body of soldiers drawn up in a square, or in regular array, as for battle; specifically, in modern armies, the principal division of a regiment of cavalry.
5. A division of a fleet; a detachment of ships of war employed on a particular service or station, and under the command of a flag-officer.
6. in early new england records (1636), one of four divisions of town land, probably in the first instance a square.
7. A school district.
8. sometimes spelled squadrant.
9.

1. a naval unit that is detached from the fleet for a particular task
2. an air force unit larger than a flight and smaller than a group
3. a cavalry unit consisting of two or more troops and headquarters and supporting arms