(transitive, intransitive) To narrow, especially by application of pressure. / (of a snake) To coil around (prey) in order to asphyxiate it. / (figuratively) To limit or restrict.

(slang) From or of Leftpondia. / (slang) Like a Leftpondian person.

(biochemistry) Any enzyme that catalyses the hydrolysis of a phosphate enzyme.

(organic chemistry) Any diazo derivative of a acetoacetate group or ion