1. Relating to or operating by means of valves

See also: valve

Encyclopedia: Valvular

• o'er
• O'Flaherty
• O'Hara
• O'Keeffe
• O'Neill
• O'Toole
• O. Henry
• oaf
• oafish
• oafishly
• oafishness
• Oahu
• Oahu Island
• oak
• oak apple
• oak blight
• oak chestnut
• oak fern
• Oak Leaf Cluster
• oak tree
• oak-leaved goosefoot
• oaken
• Oakland
• oakleaf goosefoot
• Oakley