Definition of pilot water in English:

pilot water

noun

Nautical
  • A stretch of water, especially the channel of a harbour, in which it is usual or obligatory for ships to employ local pilots.

Origin

Mid 17th century. In some forms from the genitive of pilot + water. In some forms from pilot + water.

Pronunciation

pilot water

/ˈpʌɪlət ˌwɔːtə/