Main definition: Most important; principal.Origin of Main From Middle English main, mayn, meyn, partly from Old English mægen- ("strong, principal, main"; used in combination), from Old …

Find the latest Main Street Capital Corporation (MAIN) stock quote, history, news and other vital information to help you with your stock trading and investing.

The meaning of MAIN is physical strength : force —used in the phrase with might and main. How to use main in a sentence.

main (meɪn) adj (prenominal) 1. chief or principal in rank, importance, size, etc 2. sheer or utmost (esp in the phrase by main force)

chief in size, extent, importance, etc.; principal; leading; specif., designating a large central unit on which subsidiaries or branches depend the main post office

The main thing is to keep calm and don’t get angry. The main social event of the summer was a dance and reception.

Oct 31, 2025 · main (not comparable) Of chief or leading importance; prime, principal. [from 15th c.] quotations The main office is actually one of the smaller rooms.