meal ticket

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. a source of income or livelihood
• Usage Domain:
colloquialism
• Hypernyms:
support, keep, livelihood, living, bread and butter, sustenance
2. coupon redeemable at a restaurant and entitling the holder to a meal
• Syn:
luncheon voucher
• Hypernyms:
coupon, voucher