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Definition of lachlan
lachlan
/ˈlæk.lən/
lach · lan
Plural:Lachlans
lachlan Lexical Profile
CEFR
B2
Grade
6
Tier
2
Usage
Top 10k
• noun
1
A traditional Scottish and highly popular Australian male given name of Gaelic origin.
Example
"Lachlan decided to study engineering at the university in Melbourne."
2
Australian A major river located in central New South Wales, Australia, forming a significant part of the Murray-Darling basin.
Example
"The early explorers followed the course of the Lachlan River as they mapped the interior of New South Wales."
Word Origin & Etymology
Derived from the Scottish Gaelic name 'Lachlann', historically meaning 'stranger from the land of lochs', originally referring to Norsemen or Scandinavians.
Usage Trend
Historical frequency of usage in published text.
180019102020
Data source: Google Books Ngram Viewer
Cite this Entry
Wordmom. (2026). Definition of Lachlan. In Wordmom Dictionary. Retrieved Oct 14, 2026, from https://wordmom.com/dictionary/lachlan