The word "laiches" is a plural form of "laich", which refers to a spawning of fish. The spelling of "laiches" can be confusing, as its pronunciation does not match its spelling. It is pronounced as "leɪtʃɪz", with the "ch" sound similar to the "sh" sound, and the "ai" sound pronounced as a long "a". The phonetic transcription helps to clarify the proper pronunciation of the word, which is commonly used in the fishing industry.