沖漬け
Meanings
1
small fish pickled in vinegar, sake, and salt
Traditional preparation where small fish are sliced open and pickled in a mixture of vinegar, sake, and salt. Often made with fish like 小鯛 (kodai) or あじ (aji).
This okizuke is pickled only with vinegar, sake, and salt.
2
seafood pickled in soy sauce (esp. squid)
More common modern usage: seafood, especially squid, pickled in a soy-sauce-based marinade. Often served as a side dish or with alcohol.
Squid okizuke goes well with both rice and alcohol.