(sometimes methaphorical) To sign with a tick. / To list (create or recite a list). / (Canada, US, transitive) To annoy, aggravate. / (Britain, Australia, transitive) To reprimand.

(computing theory) A parallel sorting algorithm that builds a self-balancing multidimensional array from the keys to be sorted.

(chemistry, in combination) Nine atoms of lead in a chemical compound.

(music, transitive) To give an alternative tuning to (the open strings of a string instrument).