Jack-go-to-bed-at-noon

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A biannual plant distributed across Europe and North America (Tragopogon pratensis). uncountable

Etymology

Derives from its tendency to close its flowers around midday on sunny days.

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