9-Letter Words Ending: RIUM

• a collection of dried plants that are mounted and systematically classified for study

• lotion consisting of a solution used as a cleanser for the eyes

• (microbiology) single-celled or noncellular spherical or spiral or rod-shaped organisms lacking chlorophyll that reproduce by fission; important as pathogens and for biochemical properties; taxonomy is difficult; often considered to be plants

• the upper part of the breastbone

• any of various tropical American plants cultivated for their showy foliage and flowers

• The gallery of arches above the side-aisle vaulting in the nave of a church.

• In Roman baths, the hottest room, with a plunge-pool. It preceded the tepidarium and frigidarium.

• In modern spas, a room with a hot floor.

• In Ancient Rome, a place where sacred objects were kept, either in a temple (the adytum) or in a house (holding the penates)

• The area surrounding the altar of a Christian church; the sanctuary or piscina. Sometimes specifically a drain directly to the earth, perhaps including reference to a basin, for washing vessels from consecration.

• The complex sacrum of any bird.