Term: shutter: a mechanical device on a camera that opens and closes to control the time of a photographic exposure
Broader: mechanical device: mechanism consisting of a device that works on mechanical principles | Unrelated: shot putter: an athlete who competes in the shot put
Broader: mechanical device: mechanism consisting of a device that works on mechanical principles | Unrelated: meteorologist: a specialist who studies processes in the earth's atmosphere that cause weather conditions
Broader: mechanical device: mechanism consisting of a device that works on mechanical principles | Unrelated: clustered poppy mallow: densely hairy perennial having mostly triangular basal leaves and rose-purple flowers in panicled clusters
Broader: mechanical device: mechanism consisting of a device that works on mechanical principles | Unrelated: indusium: a membrane enclosing and protecting the developing spores especially that covering the sori of a fern
Broader: mechanical device: mechanism consisting of a device that works on mechanical principles | Unrelated: temperature gradient: change in temperature as a function of distance (especially altitude)
Broader: mechanical device: mechanism consisting of a device that works on mechanical principles | Unrelated: colonialist: a believer in colonialism
Broader: mechanical device: mechanism consisting of a device that works on mechanical principles | Unrelated: cabbage bark: tree with shaggy unpleasant-smelling toxic bark and yielding strong durable wood; bark and seeds used as a purgative and vermifuge and narcotic
Broader: mechanical device: mechanism consisting of a device that works on mechanical principles | Unrelated: woodwind family: (music) the family of woodwind instruments
Broader: mechanical device: mechanism consisting of a device that works on mechanical principles | Unrelated: ostrich: fast-running African flightless bird with two-toed feet; largest living bird
Broader: mechanical device: mechanism consisting of a device that works on mechanical principles | Unrelated: planchet: a flat metal disk ready for stamping as a coin