Rhamnaceae rhamn • rhamnaceous · · · Info · Definitions · Characters · · Rhamnaceae · · Text Latin · · Script 10 · · Length Definitions · · · (noun) trees and shrubs usually thorny bearing drupaceous fruit many having medicinal value. Synonyms: family Rhamnaceae, buckthorn family. · · Noun Definition 1 Characters · · R latin capital letter r U+0052 a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 h latin small letter h U+0068 m latin small letter m U+006D n latin small letter n U+006E