(anatomy) A large irregular opening from the posterior cranial fossa that is bounded anteriorly by the petrous part of the temporal bone and posteriorly by the jugular notch of the occipital bone and that transmits the inferior petrosal sinus, the glossopharyngeal, vagus, and accessory nerves, and the internal jugular vein.

(informal, US) An introductory course in geology that is attended by student athletes who for legal reasons must attend classes in order to continue playing their sport competitively.

To feel romantic attraction for.

(law, England & Wales, historical) A kind of lease for a term of years determinable, popular in the 17th and 18th centuries, which typically named three individuals – the "lives" – and determined upon the death of all three.

(chiefly in the negative) Due to a failure to make a significant enough effort.

(humorous) Used to highlight a fact which the speaker believes is obvious but the listener seems to minimize or disregard.

plural of lease for lives

Alternative form of for any sake

(dated) Synonym of at all costs

present participle of run for the exercise