The percentage of some market held by a company, country, (sub)sector or any other actor or aggregate.

present participle of market

(up to the 1920s, archaic) Shopping, going to market as a buyer. / (dated) Attending market as a seller.

(economics, finance, idiomatic) An excess of demand over supply, leading to abnormally high prices; a market condition favoring the seller.

(business) An excess of supply over demand, leading to abnormally low prices.

A sales system under which the salesperson receives a commission on his or her own sales and a smaller commission on the sales from each person he or she convinces to become a salesperson.

A specialist in marketing.

Alternative form of marketplace

Used other than figuratively or idiomatically: see market, day. / The day of the week in which a market is held in some particular location.

An open area in a town housing a public market, often on just one day per week; a marketplace.