plural of register grate

A grate with a shutter behind it.

The highest register of the human voice, lying above the modal register and falsetto.

plural of whistle register

(UK, Australia, New Zealand) Alternative form of registered mail

(programming) A variable whose value is stored directly in a register for faster access.

(Britain) The local office in which births, marriages and deaths are registered, and in which civil marriages are conducted and recorded. / (archaic) An employment office.

The electronic (email) equivalent of postal "registered mail", providing senders with a register enabling the location (delivery status and reading disposition) of their emails to be tracked.

plural of branch register

(US) The official journal of the federal government of the United States that contains most routine publications and public notices of government agencies.