<p><strong>Noun:</strong></p><ul><li>A component or constituent of a whole or one of the parts into which a whole may be resolved by analysis: Bricks and mortar are elements of every masonry wall.</li><li>Chemistry: One of a class of substances that cannot be separated into simpler substances by chemical means.</li><li>A natural habitat, sphere of activity, environment, etc.: To be in one's element; Water is the element of fish.</li><li>Elements, atmospheric agencies or forces; weather: A ruddy complexion from exposure to the elements.</li><li>The rudimentary principles of an art, science, etc.: The elements of grammar.</li><li>The bread and wine of the Eucharistic service.</li><li>Any group of people singled out within a larger group by identifiable behavior patterns, common interests, ethnic similarities, etc.: He worried that the protest rally would attract the radical element.</li><li>One of the substances, usually earth, water, air, and fire, formerly regarded as constituting the material universe.</li><li>Mathematics: An infinitesimal part of a given quantity, similar in nature to it.</li><li>An entity that satisfies all the conditions of belonging to a given set.</li><li>Geometry: One of the points, lines, planes, or other geometrical forms, of which a figure is composed.</li><li>Astronomy: Any of the data required to define the precise nature of an orbit and to determine the position of a planet in the orbit at any given time.</li><li>Electricity: An electric device with terminals for connection to other electrical devices.</li><li>Radio: One of the electrodes in a vacuum tube.</li><li>Astrology: Any of the four triplicity groupings of signs: fire, earth, air, or water.</li><li>Optics: Any of the lenses or other components constituting an optical system.</li><li>Grammar: Any word, part of a word, or group of words that recurs in various contexts in a language with relatively constant meaning.</li><li>Digital Technology: The start and end tags in an electronic document or web page, along with the text or other content between these tags.</li></ul><p><strong>Verb (used with object):</strong></p><ul><li>To provide or cover with a roof.</li></ul>