Any flat, thin piece of clay, ivory, metal, etc., used for ornament, or for painting pictures upon, as a dish, plate, slab, etc., hung upon a wall; also, a smaller decoration worn by a person, such as a brooch.
A small card representing an amount of money, used for betting in casinos; a sort of gaming chip.
A clearing in a bacterial lawn caused by a virus.
An accumulation of biofilm, or bacteria, on teeth, which may develop into dental calculus (tartar).
A deposit of beta-amyloid protein occurring in a nerve cell and associated with Alzheimer's disease.
A broad patch of abnormal tissue distinguishable from surrounding tissue, especially a broad papule (“inflamed, irritated patch”) on the skin.
A piece of flat metal with writing on it, attached to a building, monument, or other structure to remind people of a person or an event.
In the Hornbostel–Sachs classification system: any flat, thin musical instrument.
An abnormal accumulation of material in or on an organ of the body, often associated with disease.
An accumulation in artery walls made up of macrophage cells and debris containing lipids, (cholesterol and fatty acids), calcium, and connective tissue; an atheroma.
A regularly-shaped slab of clay or other material, affixed to cover or decorate a surface, as in a roof-tile, glazed tile, stove tile, carpet tile, etc.
Any of various flat cuboid playing pieces used in certain games, such as dominoes, Scrabble, or mahjong.
A rectangular graphic.
To seal a lodge against intrusions from unauthorised people.
To protect from the intrusion of the uninitiated.
To arrange in a regular pattern, with adjoining edges (applied to tile-like objects, graphics, windows in a computer interface).
To optimize (a loop in program code) by means of the tiling technique.
To cover with tiles.