from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. One who, or that which, prevents.
- n. An arrangement, made with ropes and blocks, that prevents the boom of a sailing boat from performing a jibe.
- n. Any of various lines set up to reinforce or relieve ordinary running or standing rigging.
from the GNU version of the Collaborative International Dictionary of English
- n. One who goes before; one who forestalls or anticipates another.
- n. One who prevents or obstructs; a hinderer; that which hinders.
- n. An auxiliary rope to strengthen a mast.
from The Century Dictionary and Cyclopedia
- n. One who goes before or takes the lead.
- n. One who prevents; a hinderer; that which hinders; a preventive.
- n. Specifically Nautical, an additional rope, chain, bolt, or spar employed to support any other when the latter suffers an unusual strain.
Sorry, no etymologies found.
While it's still unclear why the blowout preventer did not work, Transocean chief executive Steven Newman said the preventer is not the ultimate cause of the accident.
And federal authorities have salvaged the well's blowout preventer from the bottom of the ocean to examine why it failed as a last-ditch tool to cap the leak.
Lest you think this review should earn less than a G-rating, tallywhacker is a legitimate nautical term for a "preventer" - a device that stabilizes the boom on the mainsail as you journey down-wind.
The Interior Department is planning to pay Det Norske Veritas (DNV) $1.3 million to conduct the autopsy of the 60-foot high, 380-ton blowout preventer, which is now sitting on a dock at the NASA Michoud assembly plant in Louisiana.
The commission didn't even wait to get an autopsy of the failed blowout preventer, which is rusting on a Louisiana dock.
You pump it down 5,000 feet through the water column, and it plugs right into - these pipes plug right in to the blowout preventer, which is down on the seafloor.
The U. K.-based company is now focused on replacing the Deepwater Horizon rig's failed blowout preventer, which is designed to prevent oil leaks, with the blowout preventer from the Development Driller II rig in order to resume drilling on the relief well.
The blowout preventer, which is the piece of equipment that should have closed off the well head but failed when the rig began burning, has a valve that's partially closed over the well head and is stemming some of the flow of oil.
"Top Kill" Procedure in Gulf of Mexico (BP) 05/26/2010 - BP Plc (NYSE: BP) commenced with a "top kill" procedure of its Gulf of Mexico oil well earlier Wednesday, a process that involves the pumping of heavy drilling mud into the blow-out preventer, which is sitting at the top of the well under a mile of water.
News Update: BP Plc Starts Anticipated "Top Kill" Procedure in Gulf of Mexico (BP) 05/26/2010 - BP Plc (NYSE: BP) commenced with a "top kill" procedure of its Gulf of Mexico oil well earlier Wednesday, a process that involves the pumping of heavy drilling mud into the blow-out preventer, which is sitting at the top of the well under a mile of water.
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