commerce

1 the buying and selling of goods especially on a large scale and between different places <a government agency in charge of regulating interstate commerce> Synonyms business, marketplace, trade, traffic Related Words free trade; black market, gray market; dealings, horse-trading; e-tail, merchandising, retailing, wholesaling; bartering

2 doings between individuals or groups <when I was doing outside consulting for the company, I never had much commerce with the in-house staff> Synonyms relation, dealings, interaction, intercourseRelated Words interrelationship; cross-fertilization, cross-pollination; companionship, companyAntonyms nonintercourse

3 sexual union involving penetration of the vagina by the penis <rumors of commerce between the lady and the knight spread throughout the court> Synonyms coition, coitus, sexual intercourse, congress, copulating, copulation, coupling, intercourse, lovemaking, mating, relations, sex, sex act, sexual relationsRelated Words fornication; safe sex; carnality, sexuality; breeding, insemination; dalliance, hanky-panky, whoopee