Definition of soy in English:

soy

noun

  • 1Protein derived from soybeans, used as a replacement for animal protein in foods and fodder.

    ‘I'm trying to add more soy into my diet’
    ‘soy is a key ingredient in livestock feed’
  • 2The soybean plant.

    ‘soy is the nation's leading source of food-grade oil’
    ‘the most common GMOs are soy, corn, canola, and cotton’

Origin

Late 17th century: from Japanese soy, shoy, variant of shō-yu, from Chinese shi-yu, from shi ‘salted beans’ + yu ‘oil’.

Pronunciation

soy

/soi//sɔɪ/