WordNet (r) 3.0 (2006):

sr.
    adj 1: used of the older of two persons of the same name
           especially used to distinguish a father from his son;
           "Bill Adams, Sr." [syn: elder, older, sr.]

V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

SR
       Service Release (MS)


V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

SR
       Sensitivity Range (Fuji, photo, CCD)


V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

SR
       Source Routing [bridging]


V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

SR
       Status Register (IC, assembler)