spackle
n//ˈspæk.əl//spackel, spackelfärg, spackla
Any powder (originally containing gypsum plaster and glue) that when mixed with water forms a plastic paste, which is used to fill cracks and holes in plaster.
A plastic paste meant for filling cracks and holes in plaster.
(intransitive) To fill cracks or holes with a spackle.