sir

Meanings

1. 1
   noun

   a polite way of addressing a man, especially one you do not know or who is older or more important

   Excuse me, sir, do you know the way to the museum?

2. 2
   verb

   to address someone using the word "sir"

   Don't sir me; just call me by my name.

From Middle English sir, unstressed form of sire, borrowed from Old French sire (“master, sir, lord”), from Latin senior (“older, elder”), from senex (“old”). Doublet of seigneur, seignior, senhor, senior, señor, senyor, signore, and sire.

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