* The tail: This is the most common meaning. It can refer to the tail of an animal, a person, or even a line of something (like a queue).
* The glue: This is less common, but "cola" can also refer to glue.
* The queue: This is a specific meaning referring to a line of people waiting for something.
For example:
* "La cola del gato" means "the cat's tail."
* "La cola de la fila" means "the back of the line."
* "La cola para comprar entradas" means "the queue to buy tickets."
To understand the meaning of "la cola" in a specific sentence, you need to look at the context.