SINCE 1828
Christmas tree
noun
plural Christmas trees
Definition of Christmas tree
1
: a usually evergreen tree decorated at Christmas
2
: an oil-well control device consisting of an assembly of fittings placed at the top of the well
3
drag racing
: a set of paired colored lights arranged in two columns on a vertical pole in front of the starting line and used for starting a race
Lights on top of the Christmas tree tell the drivers to enter the staging area. Larger yellow lights mean, "get ready." The green light means "go!"— Lori Polydoros
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From the Editors at Merriam-Webster
It's Not Just You, Charlie Brown
It's Not Just You, Charlie Brown
Lucy's suggested diagnoses, explained
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The first known use of Christmas tree was in 1835
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