Definition of side-dress in US English:

side-dress

verb

  • 1with object To dress the side of something; (Agriculture) to apply fertilizer to the ground around (a growing plant or planted seeds).

  • 2no object Chiefly Agriculture. To perform or apply a side dressing.

Origin

Late 19th century; earliest use found in Scientific American. From side + dress, after side dressing and (in agricultural use) top-dress.

Pronunciation

side-dress

/ˈsʌɪdˌdrɛs/