shaker

1. A person or thing that shakes, or by means of which something is shaken.
2. A container from which granular condiments are shaken so as to be sprinkled onto food. · Near-synonyms: cruet, caster (sometimes synonymous)
3. A variety of pigeon.
4. One who holds railroad spikes while they are hammered.
5. A musical percussion instrument filled with granular solids which produce a rhythmic sound when shaken. · Jocelyn played the shakers while her boyfriend played the acoustic guitar.
6. A kind of straight-sided, stackable glass for beer, soda, etc.

الجمع shakers