(business) Synonym of spin-off (“(formation of) subsidiary company”)

(pathology) A form of spina bifida in which a meningeal sac of cerebrospinal fluid protrudes through the skull.

(uncountable, inorganic chemistry) The radical SOH treated as a stable compound / (countable, inorganic chemistry) Any acid, such as sulfuric acid or sulfurous acid that has a single sulfur atom

(Britain) To fail to attend school or work without permission; to play truant (usually as in 'to bunk off'). / (dated) To expel from a school.