aroused to impatience or anger; "made an irritated gesture"; "feeling nettled from the constant teasing"; "peeved about being left out"; "felt really pissed at her snootiness"; "riled no end by his lies"; "roiled by the delay"
This term refers to a special process in which the green lumber (usually Walnut or Cherry) is steamed in vats for the purpose of darkening sapwood to blend with heartwood color.