A ditch is a narrow water channel. It begins with the letter d.
no heckin clue
Kelt
a channel
This is a strait
Kyle means "narrow, straight".
fjord
River
A strait is a narrow channel connecting two bodies of water.
The homophone for "direct" is "dye rect", and for "narrow" it is "narrow". A natural channel of water is called a "creek".
Starboard side
Saint George's Channel and the Irish Sea