timberline timberlike • timberling · · · Info · Definitions · Synonyms · Characters · · timberline · · Text Latin · · Script 10 · · Length 3 · · Syllables Definitions · · · (noun) line marking the upper limit of tree growth in mountains or northern latitudes. Synonyms: timber line, tree line. · · Noun Definition 1 Synonyms · · · timber line · · Synonym 1 tree line · · Synonym 2 Characters · · b latin small letter b U+0062 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D n latin small letter n U+006E r latin small letter r U+0072 t latin small letter t U+0074