(initial capital letter) Trademark.
a brand of quick-drying, plasterlike material for patching plasterwork.
verb (used with or without object), spack·led, spack·ling.
to patch with Spackle.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
proprietary name for a surfacing compound, 1927, probably based on German spachtel "putty knife, mastic, filler." The verb is attested from 1940. Related: Spackled; spackling.
Online Etymology Dictionary, © 2010 Douglas Harper