sub

Từ điển WordNet v3.1 - WordNet Dictionary

I - noun

1. a large sandwich made of a long crusty roll split lengthwise and filled with meats and cheese (and tomato and onion and lettuce and condiments);
different names are used in different sections of the United States
• Syn:
bomber, grinder, hero, hero sandwich, hoagie,
hoagy, Cuban sandwich, Italian sandwich, poor boy, submarine, submarine sandwich,
torpedo, wedge, zep
• Hypernyms:
sandwich
2. a submersible warship usually armed with torpedoes
• Syn:
submarine, pigboat, U-boat
• Derivationally related forms:
submarine (for: submarine)
• Hypernyms:
submersible, submersible warship
• Hyponyms:
attack submarine, auxiliary research submarine, fleet ballistic missile submarine, nautilus, nuclear submarine, nuclear-powered submarine
• Part Meronyms:
conning tower, escape hatch, periscope, snorkel, schnorkel,
schnorchel, snorkel breather, breather, sonar, echo sounder, asdic

II - verb

be a substitute (Freq. 1)
- The young teacher had to substitute for the sick colleague
- The skim milk substitutes for cream--we are on a strict diet
• Syn:
substitute, stand in, fill in
• Derivationally related forms:
fill-in (for: fill in), stand-in (for: stand in), subbing, substitute (for: substitute), substitution (for: substitute), substituting (for: substitute)
• Hypernyms:
exchange, change, interchange
• Verb Frames:
- Somebody ----s
- Somebody ----s PP

• Từ đồng nghĩa / Synonyms:
  submarine, pigboat, U-boat, substitute, stand in, fill in