Christmas tree

IPA（発音記号）

広義くだけた表現歴史的俗語

A conifer used during the Christmas holiday season, typically decorated with lights and ornaments and often a star or angel at its tip.

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We spent the afternoon decorating the Christmas tree with homemade ornaments and twinkling lights.

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At the very moment he cried out, David realised that what he had run into was only the Christmas tree. Disgusted with himself at such cowardice, he spat a needle from his mouth, stepped back from the tree and listened. There were no sounds of any movement upstairs: no shouts, no sleepy grumbles, only a gentle tinkle from the decorations as the tree had recovered from the collision.

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意味（2）

(informal, by extension) Anything elaborately ornamented or decorated.

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(racing) A pole with lights, similar to a traffic signal, used for signalling the start of an automobile race.

Then, after a smoky-burnout to warm up the tires, you're lined up next to another competitor and the Christmas tree lights blink down... yellow, yellow, yellow, green!

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(oil industry jargon) The collection of valves sometimes found at the top of a working oil well.

Wellheads, which support downhole tubing, casing, and other components, are connected at the top of wells to Christmas trees, which control production rates and fluid flows out of the well and may also direct fluids and equipment into the well

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(bodybuilding) A pattern of muscles visible in the lower back, resembling in outline the shape of a conifer.

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(military, slang) A panel of indicator lights in an aircraft or a submarine.

One of the most important color discriminations involved in the operation of a submarine is that of reading the "Christmas tree," a panel of 30 to 60 small jewel-shaped lights, used to indicate whether hull openings, such as hatches and vents, are sealed or not.

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