sir Meaning, Definition & Usage

  1. noun term of address for a man
  2. noun a title used before the name of knight or baronet

WordNet


Sir noun
Etymology
OE. sire, F. sire, contr. from the nominative L. senior an elder, elderly person, compar. of senex,senis, an aged person; akin to Gr. old, Skr. sana, Goth. sineigs old, sinista eldest, Ir. & Gael. sean old, W. hen. Cf. Seignior, Senate, Seneschal, Senior, Senor, Signor, Sire, Sirrah.
Definitions
  1. A man of social authority and dignity; a lord; a master; a gentleman; -- in this sense usually spelled sire. Obs.
    He was crowned lord and sire. Gower.
    In the election of a sir so rare. Shak.
  2. A title prefixed to the Christian name of a knight or a baronet.
    Sir Horace Vere, his brother, was the principal in the active part. Bacon.
  3. An English rendering of the LAtin Dominus, the academical title of a bachelor of arts; -- formerly colloquially, and sometimes contemptuously, applied to the clergy. Nares.
    Instead of a faithful and painful teacher, they hire a Sir John, which hath better skill in playing at tables, or in keeping of a garden, than in God's word. Latimer.
  4. A respectful title, used in addressing a man, without being prefixed to his name; -- used especially in speaking to elders or superiors; sometimes, also, used in the way of emphatic formality. "What's that to you, sir?" Sheridan. ✍ Anciently, this title, was often used when a person was addressed as a man holding a certain office, or following a certain business. "Sir man of law." "Sir parish priest." Chaucer.

Webster 1913