noun, verb ·Rare ·Advanced level

Definitions

Noun

1. 1
   The crossing of a hybrid with one of its parents or an individual genetically similar to its parent. countable, uncountable

Verb

1. 1
   present participle and gerund of backcross form-of, gerund, participle, present

Etymology

From back + crossing.

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