noun
1. made with three slices of usually toasted bread
• Syn: ↑club sandwich, ↑triple-decker
• Hypernyms: ↑sandwich
2. any ship having three decks
• Hypernyms: ↑ship
3. a warship carrying guns on three decks
• Hypernyms: ↑warship, ↑war vessel, ↑combat ship
Useful english dictionary. 2012.