Key

allweddol

(indispensable)

agoriad

(device designed to open and close a lock)

allwedd

(device designed to open and close a lock)

allwedd

(object used to maintain the orientation between two others)

allwedd

(button on a typewriter or computer keyboard)

allwedd

(part of a piano or musical keyboard)

bysell

(button on a typewriter or computer keyboard)

cywair

(scale of musical notes)

goriad

(device designed to open and close a lock)

maes allweddol

(computing: field of a database constrained to be unique)