2. Initialism. Railway Mail Service. ¹
3. Initialism. (UK nautical) Royal Mail Ship. ¹
4. Initialism. (UK nautical obsolete) Royal Mail Steamer or Royal Mail Steamship ¹
5. Initialism. Rifle Metallic Silhouette. ¹
¹ Source: wiktionary.com
Lexicographical Neighbors of Rms
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