i Register
In some senses, yarr is marked as archaic, UK. Watch for register when choosing this word.
verb
To growl or snarl like a dog.
She yapped and yarred and ran in foolish circles, as though quarrelling with her own tail.
And when he saw that all the dogs were flocking about her, yarring at the retardment of their access to her, and every way keeping such a coil with her as they are wont to do about a proud or salt bitch, he forthwith departed […]
noun
The plant Spergula arvensis, corn spurry.
intj
Alternative form of arr (“used stereotypically in imitation of pirates”).
Yarr, this be a fine ship.