Sourgrass

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Sorrel; of genus Oxalis. uncountable, usually
  2. 2
    Sorrel; of species Rumex acetosella uncountable, usually
  3. 3
    A crabgrass of species Digitaria insularis uncountable, usually

Etymology

From sour + grass.

Related phrases

rumex acetosella

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