un queue means 'a tail'
"La queue" in French means "the tail" or "the line" depending on the context.
Une queue. Used to define the tail or the waiting queue.
la queue is either an animal's tail, or the file of people queuing up.
un four is an oven in French
"un bus" is a bus in French.
un sac is a bag in French.
un crâne is a skull in French.
un survêtement is a tracksuit in French.
"un crayon" (masc.) is a pencil in French.
"J'ai un" in French translates to "I have a" in English.
un serpent is a snake in French.
The word que is a French conjunction meaning "that". Did you mean the English word queue? Queue can be a noun and a verb.