rare. [f. L. quod (that) which, neut. of quī who + -ITY.] A quasi-scholastic term formed on the anal. of QUIDDITY, q.v.
1682. H. More, Annot. Glanvills Lux O., 191. He is armed with the affrightful terms of Quoddities and Quiddities.
1902. Union Mag., Feb., 66/1. He turned over in his mind his instances, his quiddities and his quoddities.