shide /ʃaɪd/ noun1 •(dialect, no longer used) A piece of wood (a thin board or plank, or a strip of wood split off); a measure of firewood, variously defined as e.g. four feet long and between 16 and 38 inches in circumference.A quantity of pollard trees to make 1200 shides of cleft wood, computed to contain half a foot of wood or timber in each. — 1791 formsshides