SQUADRON, noun [Latin , to square; four.] 1. In its primary sense, a square or square form; and hence, a square body of troops; a body drawn up in a square. So Milton has used the word. Those half rounding guards just met, and closing stood in squadron joind. [This sense is probably obsolete, unless in poetry.] 2. A body of troops, infantry or cavalry, indefinite in number. 3. A division of a fleet; a detachment of ships of war, employed on a particular expedition; or one third part of a naval armament.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI