Definition of little leaf in US English:

little leaf

noun

  • 1Botany= "leaflet". Now rare.

  • 2Chiefly US. A plant condition characterized by reduced leaf size; especially (a) a condition of fruit trees caused by zinc deficiency; (b) (more fully "littleleaf disease") a fungal infection of pine trees.

adjective

  • Attributive (usually with hyphen). = small-leaved.

Origin

Late 18th century; earliest use found in James Jenkinson (?1739–1808). From little + leaf, in sense A. 1 after post-classical Latin foliolum foliole.

Pronunciation

little leaf

/ˈlɪtl liːf/