noun
lottery; raffle; prize drawing
A promotional lottery or prize drawing, often held at stores or events where customers draw tickets to win prizes.
デパートの福引で旅行券が当たった。
I won a travel voucher in the department store's raffle.
商店街の福引に参加して、景品をもらった。
I took part in the shopping street's prize drawing and got a gift.
宝くじ is a public lottery where you buy numbered tickets for a chance to win a large cash prize, while 福引 is typically a promotional drawing at a store or event where you draw a ticket to win smaller prizes.
Compound of 福 (ふく, 'good fortune') and 引 (ひき, from 引く 'to draw'). Literally 'drawing fortune'.