(colloquial) Second, ¹⁄₆₀ of a minute. / (colloquial) Clipping of second (“short indeterminate period of time”). / (colloquial, politics) Clipping of secretary.

(US, government, finance) Initialism of Securities and Exchange Commission. / (US, college, sports) Abbreviation of Southeastern Conference, a college athletics conference

(law) Abbreviation of security. / (law) Abbreviation of securities. / Abbreviation of section.

(law) Abbreviation of section. / Abbreviation of second. / Abbreviation of secretary.

Abbreviation of secundum.

(organic chemistry) secondary-form of a functional group, a branched functional group

plural of sec; seconds / Abbreviation of secretaries.

(law) Abbreviation of sections.

Any of several triple-distilled liqueurs flavoured with fruit e.g. Curaçao, Cointreau, and Grand Marnier. / A branded liqueur from Curaçao flavoured with orange peel.

(of wines) medium dry