noun
peppermint candy; mint candy
A hard candy flavored with peppermint oil. Common in Japan as a refreshing sweet.
祖母はいつも薄荷糖をポケットに入れている。
My grandmother always keeps peppermint candies in her pocket.
Loanword from English; more general for mint-flavored candies, while 薄荷糖 specifically suggests traditional Japanese peppermint drops.
Compound of 薄荷 (はっか, 'peppermint') and 糖 (とう, 'sugar' or 'candy'). The reading はっか is a sound change from はくか.