[por.ta.ble] adj [ME, fr. MF, fr. LL portabilis, fr. L portare to carry--more at fare] (15c) 1 a: capable of being carried or moved about "a ~ TV" "a ~ sawmill" b: usable on many computers without modification "~ software"
2. archaic: bearable -- por.ta.bil.i.ty n -- por.ta.bly adv
[2]portable n (1883): something that is portable