Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
cancellātim, adv. [cancellatus, cancello], lattice-formed, trellis-like (post-Aug.; most freq. in Plin. the elder), Plin. 7, 20, 19, § 81; 9, 33, 52, § 103; 11, 37, 79, § 201; Sid. Ep. 5, 17.