1.
bonus; freebie; extra; something thrown in
something given for free in addition to a purchase or as a bonus
2.
in addition; on top of that
used to add information, often negative (おまけに)
Related Words
Related:
景品 (prize, giveaway)
Related:
特典 (privilege, bonus)
Related:
サービス (service)
Compare:
添え物 (garnish)