collaevo (conl-), āre, v. collevo.
col-lēvo (con-, -laevo), āre, v. a., to make entirely smooth, to smooth (post-class. and rare): plagam arboris falce, Plin. 17, 22, 35, § 192: asperitatem oculorum, Sen. Ep. 64, 7; cf.: interanea vesicae, Plin. 23, 1, 18, § 30.