2. Initialism. (computing informal) Windows Live Messenger (formerly MSN Messenger), a popular instant messaging client from Microsoft. ¹
¹ Source: wiktionary.com
Lexicographical Neighbors of MSN
MSCT MSCTA MSDN MSDS MSER MSF MSFC MSFT MSG MSI | MSIE MSIL MSMA MSME MSN (current term) MSN generation MSP MSPH MSPO MSP 1 proteinase | MSP 2 proteinase MSRP MSS. MST MST1 protein kinase MST2 kinase MSTID MSTed MSTing |