convention
/kənˈvenʃən/noun
1
- a way in which something is usually done, especially within a particular area or activity（尤指特定地区或活动的）准则; 惯例：
the pictorial conventions of mass-media imagery.
大众传媒图像的绘画准则。
1.1
- mass noun behaviour that is considered acceptable or polite to most members of a society社会习俗; 得体行为：
he was an upholder of convention and correct form.
他是个循规蹈矩的人。
count noun the law is felt to express social conventions.此项法律被认为反映了社会习俗。
1.2
- Bridge a bid or system of bidding by which the bidder tries to convey specific information about the hand to their partner, as opposed to seeking to win the auction【桥牌】约定。
2
- an agreement between states covering particular matters, especially one less formal than a treaty国际协议; 公约。
3
- a large meeting or conference, especially of members of a political party or a particular profession（尤指政党或专业人士举行的）大会; 会议：
the party held its biennial convention.
该党召开了两年一次的大会。
3.1
- N. Amer. an assembly of the delegates of a political party to select candidates for office〈北美〉（决定候选人提名的）政党代表大会。
3.2
- an organized meeting of enthusiasts for a television programme, film, or literary genre（电视、电影或文学爱好者有组织的）集会：
a Star Trek convention.
《星际旅行》影迷会。
3.3
- a body set up by agreement to deal with a particular issue（根据协议成立处理特定事宜的）机构。
3.4
- historical a meeting of Parliament without a summons from the sovereign〈史〉（非君主召集的）国会会议。
词源
late Middle English (in sense 3)： via Old French from Latin conventio（n-） 'meeting, covenant', from the verb convenire （see CONVENE）. Sense 1 dates from the late 18th cent.