sec.

1. (law) Abbreviation of section.
2. Abbreviation of second.
3. Abbreviation of secretary.

(section): This is the customary abbreviation of this term as used in legal citation, when referring to an amending act. See, e.g., The Bluebook: A Uniform System of Citation, Nineteenth Edition (2010), "Subdivisions", Table T16, p. 472-73.

sec.

1. Abbreviation of secundum.

• CES, CEs, CSE, ECS, ESC, Esc, SCE, ces, sce.

sec. m (indeclinable)

1. abbreviation of secolo

Traditionally preceded by a Roman numeral, e.g. the 20th century is rendered as XX sec.

sec.

1. abbreviation of secol (“century”)