Coastguard coaster • coastguardman · · · Info · Definitions · Characters · · Coastguard · · Text Latin · · Script 10 · · Length Definitions · · · (noun) a military service responsible for the safety of maritime traffic in coastal waters. Synonyms: coastguard. · · Noun Definition 1 Characters · · C latin capital letter c U+0043 a latin small letter a U+0061 d latin small letter d U+0064 g latin small letter g U+0067 o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075