sho UK /ʃəʊ/US /ʃoʊ/ noun2 •A Japanese free reed musical instrument similar to the Chinese sheng.The arrangement of pipes symbolizes the folded wings of the mythical phoenix, whose cry the shō's sound is said to represent. — 2015 •A letter of the Greek alphabet used to write the Bactrian language: uppercase Ϸ, lowercase ϸ. formsshos · shōs