Sir



noun
1.
a respectful or formal term of address used to a man:
No, sir.
2.
(initial capital letter) the distinctive title of a knight or baronet:
Sir Walter Scott.
3.
(initial capital letter) a title of respect for some notable personage of ancient times:
Sir Pandarus of Troy.
4.
a lord or gentleman:
noble sirs and ladies.
5.
an ironic or humorous title of respect:
sir critic.
6.
Archaic. a title of respect used before a noun to designate profession, rank, etc.:
sir priest; sir clerk.
noun
1.
a formal or polite term of address for a man
2.
(archaic) a gentleman of high social status
noun
1.
a title of honour placed before the name of a knight or baronet: Sir Walter Raleigh
2.
(archaic) a title placed before the name of a figure from ancient history

1. An early system on the IBM 650.
[Listed in CACM 2(5):16, May 1959].
2. Serial Infrared. An infrared standard from IrDA, part of IrDA Data. SIR supports asynchronous communications at 9600 bps – 115.2 Kbps, at a distance of up to 1 metre.
[Reference?]
(1999-10-14)
SIR
shuttle imaging radar

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  • Siraj-ud-daula

    [si-rahj-oo d-dou-luh] /sɪˈrɑdʒ ʊdˈdaʊ lə/ noun 1. 1728?–57, nawab of Bengal 1756–57. Siraj-ud-daula /sɪˈrɑːdʒʊdˈdaʊlə/ noun 1. ?1728–57, Indian leader who became the Great Mogul’s deputy in Bengal (1756); opponent of English colonization. He captured Calcutta (1756) from the English and many of his prisoners suffocated in a crowded room that became known as the Black […]

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