We have come to expect little from official prose style. Clarity is so rare that just to understand something feels like a triumph. We are a nation of IRS memos printed in all caps despite the fact that abundant research shows it is a severe strain to read all caps. Coins are held securely and quietly in place by pressing them firmly into the rubber holder so the edges of the coins interfere with the rubber. I never knew interference could be so pleasant.
Interference normally gets in the way.
The Oxford English Dictionary tells us that the last writer known to have used the word with this neutral meaning was Daniel Defoe, in 1725. Defoe's spirit mysteriously lives on in the Chrysler Technical Writing Division. The latter is an engineering term for a catch or lever that locks a movement. The two words come from the same source, originally meaning a loosening, but they are pronounced differently. Leaves collected in the air intake, located directly in front of the windshield, may reduce air flow.