LAVER

I. noun Etymology: Middle English lavour, from Anglo-French lavour, ~e, from Medieval Latin lavatorium Date: 1535 a large basin used for ceremonial ablutions in the ancient Jewish Tabernacle and Temple worship, II. noun Etymology: New Latin, from Latin, a water plant Date: 1611 any of several common red algae (genus Porphyra ) with fronds used especially for stewing or pickling