frog2

noun

• a thing used to hold or fasten something, in particular:
• an ornamental coat fastener or braid consisting of a spindle-shaped button and a loop through which it passes.
• an attachment to a belt for holding a sword, bayonet, or similar weapon.
• a perforated or spiked device for holding the stems of flowers in an arrangement.
• the piece into which the hair is fitted at the lower end of the bow of a stringed instrument.
• a grooved metal plate for guiding the wheels of a railway vehicle at an intersection.