1. A type of grass: This is the most common meaning. "Munyui" refers to a specific type of grass known as "Kikuyu Grass" (scientific name: *Pennisetum clandestinum*). This grass is known for its vigorous growth and ability to form dense carpets, making it popular for lawns and pastures.
2. A person's name: "Munyui" can also be a name, typically a boy's name.
3. "To chew" or "to bite": The word can sometimes be used figuratively to mean "to chew" or "to bite" on something, usually in a metaphorical sense.
To understand the meaning of "munyui" accurately, you need more context. Please provide more information, such as the sentence where the word appears or the situation in which it was used.