Definition of top something out in US English:

top something out

phrasal verb

  • Put the highest structural feature on a building, typically as a ceremony to mark the building's completion.

    • ‘Despite price tags that ran into the multimillions of dollars for a penthouse with views of the Santa Monica mountains, the downtown Los Angeles skyline, and the Pacific Ocean, all units were sold before the structure was topped out.’
    • ‘The building's topping out ceremony was carried out on Friday by Noel Ahern TD, Minister of State at the Department of the Environment & Local Government.’
    • ‘All eyes were on Swindon's flagship hospital for the topping out ceremony of the diagnostic and treatment centre.’
    • ‘A topping out ceremony will be held at 4.00 pm on Thursday 25 March when a time capsule will be buried on the site to mark the building reaching its highest point.’
    • ‘The construction firm worker was invited to don dancing shoes to join performers at Newcastle's Dance City for a performance at a topping out ceremony for the theatre space, which he has been helping to build.’
    • ‘Coun. Richard Leese, who conducted the formal topping out ceremony, added: ‘We are very happy to see a name like Harvey Nichols in Manchester.’’
    • ‘Congratulations and celebrations were in the air on Wednesday as Sir Cliff Richard came for the topping out ceremony at the Shooting Star Children's Hospice in Hampton.’
    • ‘Building work on the New Farleigh hospice site in Broomfield reached new heights this week, with a topping out ceremony to complete the roof.’
    • ‘On July 1, President Chen Shui-bin attended the topping out ceremony to see the last beam put into place.’