Adjective strait has 1 sense
  1. strait - strict and severe; "strait is the gate"
    wide, broad (indirect, via narrow)
,Noun strait has 2 senses
  1. strait, sound - a narrow channel of the sea joining two larger bodies of water
    --1 is a kind of channel
    --1 has particulars:
     Dardanelles, Hellespont; East River; Bering Strait; Bosporus; Cook Strait; Golden Gate; Kattegatt; Korean Strait, Korea Strait; Menai Strait; narrow; North Channel; Skagerrak, Skagerak; Solent, the Solent; Strait of Georgia; Strait of Gibraltar; Strait of Hormuz, Strait of Ormuz; Strait of Magellan; Strait of Messina; Strait of Dover, Strait of Calais, Pas de Calais; Torres Strait
  2. pass, strait, straits - a bad or difficult situation or state of affairs
    --2 is a kind of situation
    --2 has particulars: desperate straits, dire straits