From English-Turkish FreeDict Dictionary ver. 0.3: hms /ˌeɪtʃˌɛmˈɛs/ 1. (kıs.) His veya Her Majesty' Service, His veya Her Majesty' Ship.
hms /ˌeɪtʃˌɛmˈɛs/ 1. (kıs.) His veya Her Majesty' Service, His veya Her Majesty' Ship.