A large four-masted sailboat.

(informal, biology) The pituitary gland.

plural of master gland

plural of mastoid bone

plural of mastoid process

An exceptionally skillful chess player, especially one who has won a major competition.

plural of mastectomy

The state or office of a master. / Mastery: dominion, superiority, control. / Mastery: superior skill. / (obsolete) Chief work; masterpiece. / A title of respect, sometimes ironic.

(medicine) Breast pain.

(data management) A set of processes and tools which centrally and persistently define the non-transactional entities of an organization, with the objective to collect from, and supply to various processes, unique instances of each entity.