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Definition of chalkline
chalkline
/ˈtʃɔːk.laɪn/
chalk · line
Plural:chalklines
•Past Simple:chalklined
•Past Participle:chalklined
•Present Participle:chalklining
chalkline Lexical Profile
CEFR
C1
Grade
8
Tier
2
Usage
Rare
Syllables
2
• noun
1
A length of string coated with powdered chalk, stretched taut and plucked to mark a long, straight line on a flat surface in construction and carpentry.
Example
"The carpenter snapped a chalkline across the subfloor to ensure the hardwood planks would be laid perfectly straight."
2
A straight mark left on a surface by snapping a chalk-coated string, or a boundary line marked with chalk on an athletic field or court.
Example
"The tennis ball landed squarely on the chalkline, winning the match for the challenger."
Synonyms
View all synonyms for chalkline• verb
1
To mark a surface with a straight guideline using a chalk-coated string.
Example
"We need to chalkline the drywall before installing the metal studs."
• Rhymes for chalkline
• Nearby Words
Usage Trend
Historical frequency of usage in published text.
180019102020
Data source: Google Books Ngram Viewer
Cite this Entry
Wordmom. (2026). Definition of Chalkline. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/chalkline