timberline

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noun tim·ber·line \-ˌlīn\

Definition of timberline

  1. :  the upper limit of arboreal growth in mountains or high latitudes —called also tree line

1867

First Known Use of timberline

1867


TIMBERLINE Defined for English Language Learners

timberline

play
noun

Definition of timberline for English Language Learners

  • : an imaginary line on a mountain or high area of land that marks the level above which trees do not grow


TIMBERLINE Defined for Kids

timberline

play
noun tim·ber·line \ˈtim-bər-ˌlīn\

Definition of timberline for Students

  1. :  the upper limit beyond which trees do not grow (as on mountains)


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