<p><strong>Noun</strong></p><ul><li>plural: conservatories.</li><li>a school giving instruction in one or more of the fine or dramatic arts; specifically, a school of music.</li><li>a greenhouse, usually attached to a dwelling, for growing and displaying plants.</li><li>Archaic: a place where things are preserved.</li></ul><p><strong>Adjective</strong></p><ul><li>serving or adapted to conserve; preservative.</li></ul>