intrenchment

Từ điển WordNet v3.1 - WordNet Dictionary

noun

an entrenched fortification;
a position protected by trenches (Freq. 2)
• Syn:
entrenchment
• Derivationally related forms:
entrench (for: entrenchment)
• Hypernyms:
fortification, munition
• Hyponyms:
retrenchment
• Part Meronyms:
trench