(transitive, intransitive) To give a written or spoken response, especially to a question, request, accusation or criticism; to answer. / (intransitive) To act or gesture in response.

(mineralogy) Thomsonite, a mineral series of the zeolite group. / (mineralogy, archaic) The mineral mozarkite of the Missouri, Ozark region.

plural of atrium

An Italian abbot, or similar clergyman in minor orders / Alternative form of abate (“Italian abbot”)