(1)一般习惯
指在一国的全部或大部分地区盛行的并经法院确认其存在的习惯。

(2)行业习惯或地方习惯

• seashore
• season
• seasonable
• seasonable appearance
• seasonable motion
• seasonably turn
• seasonal conditions
• seasonal employment
• seasonal stream
• seasonal use
• seat
• seat belt defense
• seated land
• seat of government
• seawan
• seaweed
• seaworthiness
• sebastomania
• se bene gerendo
• sec.
• S.E.C.
• secession
• Secession of the South
• seck
• second