Merchant \Mer"chant\, a. Of, pertaining to, or employed in, trade or merchandise; as, the merchant service.

Merchant bar, Merchant iron or steel, certain common sizes of wrought iron and steel bars.

Merchant service, the mercantile marine of a country. --Am. Cyc.

Merchant ship, a ship employed in commerce.

Merchant tailor, a tailor who keeps and sells materials for the garments which he makes.

Source: Webster's Revised Unabridged Dictionary (1913)