A metallic conductor that is attached to a high point of a building and leads to the ground and protects the building from damage by lightning.

A pipe or channel for conveying water etc. / A duct or tube into which electrical cables may be pulled; a type of raceway. / (figuratively) A means by which something is transmitted.

Tending to contribute to, encourage, or bring about some result.

(uncountable) Comfort, support or sympathy. / (countable, usually in the plural) An expression of comfort, support, or sympathy offered to the family and friends of somebody who has died.

Something used to enhance the flavor of food; for example, salt or pepper.

(transitive) To season with condiments. / (transitive) To pickle.

(intransitive, formal) To contribute or lead to a specific result.

A book, containing blank pages, in which people may sign their name and write a short message as a symbol of sympathy; often in response to a high-profile death or series of deaths.

Alternative spelling of air conditioner

A machine that is used to control temperature and humidity in an enclosed space.