verb, formal - to announce or proclaim something, especially in a formal or ceremonial way; to signal the arrival or beginning of something
noun, technical - information used to authenticate a user, such as a username and password, that allows access to a system or service
noun - a person whose job is to build or work with stone, brick, or concrete, especially to construct walls and buildings
verb - to supply land or crops with water by using pipes, channels, or sprinklers, especially to help growth in dry areas
verb - (usually in passive) to cover something, especially to protect it (e.g. with a layer of material like metal, plastic, etc.)