MSP

1. abbreviationinitialismcomputingInitialism of Message Send Protocol.
2. abbreviationinitialismInitialism of Minneapolis–Saint Paul.

plural MSPs

1. abbreviationcountableinitialismInitialism of Member of Parliament of the Scottish Parliament.

   Almost four years on from the election of a record number of 58 female MSPs across all parties in 2021, 14 SNP women have so far said they will not stand again, accounting for 23% of the party’s current MSP group.

   2025 March 23, Libby Brooks and Severin Carrell, “‘Hostile environment’ drives many of SNP’s female MSPs to step down before 2026 vote”, in The Guardian

   1 more example

   The Scottish government has hailed a “historic day for equality” after MSPs approved plans to make it easier and less intrusive for individuals to legally change their gender, extending the new system of self-identification to 16- and 17-year-olds for the first time.

   2022 December 22, Libby Brooks, “Scottish government hails ‘historic day’ as MSPs pass gender recognition bill”, in The Guardian

2. abbreviationcountableinitialismuncountablespectroscopyInitialism of microspectrophotometry.
3. abbreviationcountableinitialismuncountableInitialism of micro scalp pigmentation.
4. abbreviationcountableinitialismuncountablebusinessInitialism of managed service provider.
5. InternetabbreviationcountableinitialismuncountableInitialism of mail service provider.

   Synonyms: ESP

6. abbreviationcountableinitialismuncountableInitialism of monosodium phosphate.