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a specific tree that is covered with lights and decorations and put in or outside houses at Christmas
medium to tall fir of western North America having a conic crown and branches in tiers; leaves smell of orange when crushed
tall timber tree of central and southern Europe having a regular crown and grey bark
a terrestrial evergreen shrub or small tree of western Australia having brilliant yellow-orange flowers; parasitic on roots of grasses
Australian tree or shrub with red flowers; often used in Christmas decoration
the dashboard lights on a car that illuminate when there is a mechanical or electrical problem
What does "Christmas tree" mean in car slang?
It is used to describe the dashboard lights on a car that illuminate when there is a mechanical or electrical problem, often indicating serious or multiple issues. People typically say "My dashboard lit up like a Christmas tree" when the check engine light, battery light, oil light, and others come on at once. The term originated in mechanic and car enthusiast slang during the late 20th century, as car dashboards became more complex with electronic sensors and warning systems.
