1. A spawning ground or breeding place for fish, especially salmon.
Usage: Scottish and Northern English dialect; Also spelled 'leach' or 'lech'

1. To spawn or breed (of fish).
Usage: Scottish and Northern English dialect

Examples

• The salmon returned to their laich in the river each autumn.
• Fish laich in shallow, gravelly areas of the stream.
• The river's laich was protected to ensure successful reproduction.
• During spawning season, the fish would laich upstream.
• Anglers knew the best laiches along the Scottish coast.