bats-in-the-belfry

noun (functioning as singular)

a hairy Eurasian campanulaceous plant, Campanula trachelium, with bell-shaped blue-purple flowers

adjective

slang mad; demented

Nearby words

  1. batophobia,
  2. batrachian,
  3. batrachotoxin,
  4. bats,
  5. bats in one's belfry, have,
  6. bats-wing coral-tree,
  7. batshit,
  8. batsman,
  9. batt,
  10. batt.

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012