1. plummet - Noun
2. plummet - Verb
A piece of lead attached to a line, used in sounding the depth of water.
A plumb bob or a plumb line. See under Plumb, n.
Hence, any weight.
A piece of lead formerly used by school children to rule paper for writing.
Source: Webster's dictionarySome of us are born rebellious. Like Jean Genet or Arthur Rimbaud, I roam these mean streets like a villain, a vagabond, an outcast, scavenging for the scraps that may perchance plummet off humanity's dirty plates, though often sometimes taking a cab to a restaurant is more convenient. Patti Smith
Nobody knows anything. I deal with people in all walks of life, some of whom should have some idea of what they're doing. And they're all clueless. It's astonishing that any bridges stay up, or that planes don't constantly plummet from the sky. It's heartening, in a strange way. Peter York
If in your lifetime you watch a species go extinct, or plummet almost to the point of extinction, that is a sign that something really serious is going on. Elizabeth Kolbert
But in life, a tragedy is not one long scream. It includes everything that led up to it. Hour after trivial hour, day after day, year after year, and then the sudden moment: the knife stab, the shell burst, the plummet of the car from a bridge. Margaret Atwood
Hope is the most treacherous thing in the world. It lifts you and lets you plummet. But as long as you're being lifted you don't worry about plummeting. Elizabeth Wein
Regardless of how it's done, transaction costs will continue to plummet as computers get more powerful. Low transaction costs are a wonderful thing if you're in the transaction business. They're wonderful for consumers too, making it cheaper and easier to buy things and creating new things to buy. Nathan Myhrvold