Láxitas, pen. cor. laxitâtis, f. g. Cic.Lewsenesse: libertie: widenesse: largenesse.Láxitas domus.Cic.The largenesse or widenesse of an house.Laxitas viarum. Colum.
Lewis and Short: Latin dictionary
laxĭtas, ātis, f. [laxus], width, roominess, spaciousness, extent. I.Lit. (rare but class.), of a house, Cic. Off. 1, 39, 139: loci, Sall. ap. Non. 132, 23: laxitas appellatur Propontis, angustiae Thracius Bosporus,
the wide part
, Plin. 4, 12, 24, 76: mundi, id. 14 prooem. 5: spatiosa, id. 8, 43, 68, 169: hae semitae opportunam laxitatem praebent, Col. 4, 18: aëris. i. e. a free current of air, Pall. 1, 5.— II.Trop., laxity, languor, Arn. 6, 197.