raritudo

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.

rārĭtūdo, ĭnis, f. [rarus],

looseness (rare form for raritas): rete a raritudine (dictum), Varr. L. L. 5, § 130 Müll.: mediocri raritudine terra, Col. Arb. 3, 7.