Definition of hairline
1 : a very slender line: such asa : a tiny line or crack on a surface a hairline bone fractureb : a fine line connecting thicker strokes in a printed letter
2 : hairbreadth
3a : a textile design consisting of lengthwise or crosswise lines usually one thread wideb : a fabric with such a design
4a : the outline of scalp hair especially on the foreheadb : the way the hair frames the face
Examples of hairline in a Sentence
The plate had a hairline running across it.
He has a receding hairline.
Recent Examples of hairline from the Web
Another officer went to Mount Sinai Medical Center where she was diagnosed with a hairline fracture to her right hand.
But for those who saw it on ESPN, there was a question: What's going on with that hairline?
His left arm suffered a hairline fracture, a ligament injury and muscle tear.
Sometimes hair oil can clog the pores in the areas around your hairline.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'hairline'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of hairline
HAIRLINE Defined for English Language Learners
Definition of hairline for English Language Learners
: a thin line or crack
: the line where your hair starts on your forehead
Medical Definition of hairline
: the outline of scalp hair especially on the forehead
Seen and Heard
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