clethra cletch • clethra alnifolia · · · Info · Definitions · Characters · · clethra · · Text Latin · · Script 7 · · Length 2 · · Syllables Definitions · · · (noun) type and sole genus of the Clethraceae; deciduous shrubs or small trees: white alder, summer-sweet. Synonyms: Clethra, genus Clethra. · · Noun Definition 1 Characters · · 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 l latin small letter l U+006C r latin small letter r U+0072 t latin small letter t U+0074