half-turn

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half-turn

Descriptive of a stair which turns 180° or through two right angles at each landing. Also see dogleg stair.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
All light vehicles from Fairview to QMC may turn right on Fairlane Street, take a right on Dahlia Street, turn left on Chestnut Street, turn right on Old Sauyo Road, turn right on Mindanao Avenue, take the U-turn slot at corner Quirino Highway to Mindanao Avenue, left turn on North Avenue to QMC toward their destination.
The end and exit point of the zipper lane is at the island breaker of Sandiganbayan U-turn slot.
The Don Antonio U-turn slot will also be opened for light vehicles on the same date.
'Doing a U-turn to reach one's objective is the hallmark of great leadership just as lying to save ill-gotten wealth is the hallmark of crooks,' he wrote on Twitter in November last year.
Greenpeace UK executive director John Sauven said: "BP's oil rig has done a U-turn and we urge chief executive Bob Dudley to do the same."
Conversely, drivers approaching the intersection from the east, who want to head south, will have to turn north, or right, enter into a left lane, and make a "U-turn" into the southbound lane.
"Racers have a big decision to make when they face a surprise Double U-Turn in Laos," the release states.
Taking notice of this serious situation, the Federal Secretary Communications Shoaib Ahmed Siddiqui, visited the site and directed the authorities of NHA to improve the condition of said U-Turn by placing necessary sign boards, signals and markings there.
"BJP's mission is to save Andhra's heritage, which is in danger due to U-turn Babu.
Within days of prominent TV analyst Hasan Nisar expressing for supporting the Pakistan Tehreek-e-Insaf (PTI), journalist Irshad Bhatti suggested that the term Imran turn" should be used instead of U-turn".
ISLAMABAD: Pakistan Peoples Party (PPP) chairman Bilawal Bhutto Zardari, while referring to late leadership of his party, said on Thursday that we kissed the noose but did not take a U-turn", in the face of hardships.
Summary: The accident happened when the pick-up vehicle took a U-turn without making sure the road was clear.