Underburn

noun, verb

noun, verb ·Rare ·Advanced level

Definitions

Noun
  1. 1
    The deliberate burning of surface fuel so as to leave the tree canopy intact.
Verb
  1. 1
    To burn up. obsolete, transitive
  2. 2
    To burn too little. transitive

Etymology

From Middle English underbrennen (“to set on fire, burn up”), equivalent to under- + burn.

Related phrases

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.