10-Letter Words Containing: OA__

• colonial coelenterates having the polyp phase dominant

• small Eurasian shrub having clusters of yellow flowers that yield a dye; common as a weed in Britain and the United States; sometimes grown as an ornamental

• sheet of slate; for writing with chalk

• sessile marine coelenterates including solitary and colonial polyps; the medusoid phase is entirely suppressed

• protozoa with spherical bodies and stiff radiating pseudopods