fort up

Từ điển WordNet v3.1 - WordNet Dictionary

verb

gather in, or as if in, a fort, as for protection or defense (Freq. 4)
• Syn:
fort
• Derivationally related forms:
fort (for: fort)
• Hypernyms:
meet, gather, assemble, forgather, foregather
• Verb Frames:
- Somebody ----s
- Somebody ----s PP