† ˈnodulusObs.rare. = nodule 1. 1651Culpepper Astrol. Judgem. Dis. (1658) 222 Also you may make a Nodulus with any of these oyles.1688Holme Armoury iii. 424/2 The Nodus, or Nodulus, is a Bag of Ingradients..put into Beer, Ale, or Wine, the tincture whereof the Patient is to drink.