(informal) Diminutive of mate, friend. / (nautical, slang) A fellow sailor; often used affectedly, especially when portraying a pirate. / (nautical, slang) A dockyard worker.

(anatomy) The tough and inflexible outermost of the three layers of the meninges, enveloping the brain and spinal cord.

The branch of logic that focuses on the content of reasoning.

A sister of one's mother. / A sister-in-law of one's mother; the wife or ex-wife of a maternal uncle. / (imprecise) A similar great aunt, etc.

A substance, natural or man-made, which is intrinsically dangerous or otherwise poses a safety hazard. Examples are materials which are explosive, poisonous, chemically active (including acids and other corrosives), radioactive, or biologically active (including human blood and other medical waste).

Used other than figuratively or idiomatically: see maternal, grandmother. (This entry is a translation hub.)

The state of being a mother; motherhood. / The state of being pregnant; pregnancy. / A ward or department in a hospital in which babies are born.

Used other than figuratively or idiomatically: see maternal, grandfather. (This entry is a translation hub.)

(law) a breach of contract sufficiently serious to destroy the contract / a breach of a treaty which releases other parties from any obligation under it

In a material manner; with regard to physical things or characteristics. / To a significant degree.