The term "fish kettle" is commonly used to describe a long, narrow pot that is specifically designed for cooking fish. However, there are several other words and phrases that can be used as synonyms for this kitchen implement. For example, "fish poacher" is often used interchangeably with fish kettle, as is "fish steamer." Other potential synonyms include "fish fryer," "fish cooker," "fish roaster," and "fish baker." Each of these terms describes a pot or vessel that is specifically designed for cooking fish, and they are all useful options for anyone looking to invest in a new piece of cookware for their kitchen.