[f. BLOOM sb.2] To hammer or squeeze the ball or lump of iron from the puddle-furnace into a ‘bloom’; to shingle.
1875. Ure, Dict. Arts, II. 1012. To prepare the puddle balls for the rolling mills, they have to undergo the process of ‘shingling’ or ‘blooming’; this is effected either by the hammer or by the squeezer: the latter has almost entirely superseded the former.
