pearl·ing noun orpearl·in\ˈpərlə̇n, -liŋ\ (-s) Etymology:pearl (IV) + -ing or -in (alteration of -ing) 1.chiefly Scotland: a lace of silk or thread 2.pearlingsplural, chiefly Scotland a.: trimmings made of pearling b.: clothes trimmed with pearling c.: pearls 1b