use-icon

HOW TO USE THE DICTIONARY

Learn what the dictionary tells you about words.

Get Started Now!

use-icon

THE USAGE PANEL

The Usage Panel is a group of nearly 200 prominent scholars, creative writers, journalists, diplomats, and others in occupations requiring mastery of language. The Panelists are surveyed annually to gauge the acceptability of particular usages and grammatical constructions.

The Panelists

puzzle-icon

NEED HELP SOLVING A CROSSWORD PUZZLE?

Go to our Crossword Puzzle Solver and type in the letters that you know, and the Solver will produce a list of possible solutions.

open-icon

PURCHASE THE DICTIONARY

The online searchable American Heritage Dictionary includes definitions, pronunciations, etymologies, and feature notes. For further information, including the Indo-European Roots Appendix and the Semitic Roots Appendix, you can purchase the dictionary as an iOS or an Android app—or buy the deluxe printed edition.

open-icon

OPEN DICTIONARY PROJECT

Share your ideas for new words and new meanings of old words!

Start Sharing Now!

100-words-icon

See word lists from the best-selling 100 Words Series!

Find out more!

moor 1 (mr)
Share: moor
v. moored, moor·ing, moors
v.tr.
1. To make fast (a vessel, for example) by means of cables, anchors, or lines: moor a ship to a dock; a dirigible moored to a tower.
2. To fix in place; secure: a mailbox moored to the sidewalk with bolts. See Synonyms at fasten.
3. To provide with an abiding emotional attachment: a politician moored to the family back home.
v.intr.
1. To secure a vessel or aircraft with lines or anchors.
2. To be secured with lines or anchors: The freighter moored alongside the wharf.

[Middle English moren.]

The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2013 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
moor 2 (mr)
Share: moor
n.
An uncultivated area covered with low-growing vegetation and often high but poorly drained.

[Middle English mor, from Old English mōr.]

The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2013 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Moor (mr)
Share: Moor
n.
1. A member of a traditionally Muslim people of mixed Berber and Arab ancestry, now living chiefly in northwest Africa.
2. One of the Muslims who invaded Spain in the 8th century and established a civilization in Andalusia that lasted until the late 15th century.

[Middle English More, from Old French, from Medieval Latin Mōrus, from Latin Maurus, Mauritanian, from Greek Mauros.]

The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2013 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Have a promotional code?

GET YOUR FREE APP!

Put the entire dictionary at your fingertips—anywhere, anytime!

BUY THE iOS or ANDROID APP

dictionary-app

This website is best viewed in Chrome, Firefox, or Safari.