any of various small terrestrial isopods having a flat elliptical segmented body; found in damp habitats
"The gardener gently picked up the slater from beneath the rotting log to check if it was harming the seedlings."
One who lays slates, or whose occupation is to slate buildings.
"The old roof was finally repaired when a skilled slater arrived to replace all the cracked tiles."
A surname, from occupations​.
"The local history book listed several families under the slater name because their ancestors made their living by making slate tiles for roofs."