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Definition of greylock

greylock

/ˈɡreɪˌlɑːk/
grey · lock
Plural:greylocks
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greylock Lexical Profile

• noun

1

American The highest natural point in the U.S. state of Massachusetts, located in the northern Berkshire region and noted for its prominent peak and surrounding state reservation.

2

A lock, tress, or streak of grey hair.

Example

"The elder statesman brushed a stray greylock from his forehead before continuing his address."

• Nearby Words

grey reef shark
grey river
greyhound
greylock
greyout
greystone
grid

Word Origin & Etymology

Primarily derived from Chief Gray Lock (also spelled Greylock or Wawanotewat), a prominent 18th-century Western Abenaki leader, whose English name literally translates to a lock of grey hair. The notable Massachusetts mountain is named in his honor.

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

Wordmom. (2026). Definition of Greylock. In Wordmom Dictionary. Retrieved Nov 6, 2026, from https://wordmom.com/dictionary/greylock
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