A long pole or spar, run out for the purpose of extending the bottom of a particular sail; as, the jib boom, the studding-sail boom, etc.
A long spar or beam, projecting from the mast of a derrick, from the outer end of which the body to be lifted is suspended.
A pole with a conspicuous top, set up to mark the channel in a river or harbor.
A strong chain cable, or line of spars bound together, extended across a river or the mouth of a harbor, to obstruct navigation or passage.
A line of connected floating timbers stretched across a river, or inclosing an area of water, to keep saw logs, etc., from floating away.
To extend, or push, with a boom or pole; as, to boom out a sail; to boom off a boat.
To cry with a hollow note; to make a hollow sound, as the bittern, and some insects.
To make a hollow sound, as of waves or cannon.
To rush with violence and noise, as a ship under a press of sail, before a free wind.
To have a rapid growth in market value or in popular favor; to go on rushingly.
A hollow roar, as of waves or cannon; also, the hollow cry of the bittern; a booming.
A strong and extensive advance, with more or less noisy excitement; -- applied colloquially or humorously to market prices, the demand for stocks or commodities and to political chances of aspirants to office; as, a boom in the stock market; a boom in coffee.
To cause to advance rapidly in price; as, to boom railroad or mining shares; to create a "boom" for; as to boom Mr. C. for senator.
India's great economic boom, the arrival of the Internet and outsourcing, have broken the wall between provincial India and the world. Aravind Adiga
During the boom years of the 1990s, globalization emerged as the most significant development in our national life. With NAFTA and the Internet and big-box stores selling cheap goods from China, the line between national and international began to blur. Noah Feldman
We think when God speaks to us, there's going to be a boom out of Heaven or we're going to get some chill bumps, but I really believe God's talking to us all the time. He's talking to us right in here. I call it our heart, our conscience, but it's the Holy Spirit talking to us. Joel Osteen
It's easier to add things on to a PC than it's ever been before. It's one click, and boom, it comes down. Bill Gates