Real Dictionary

moor
The Moors were a Muslim people who established a civilization in North Africa and Spain between the 8th and the 15th century A. D.
variable noun: A moor is an area of open and usually high land with poor soil that is covered mainly with grass and heather.
verb: If you moor a boat somewhere, you stop and tie it to the land with a rope or chain so that it cannot move away.

Moor in American English
a member of a Muslim people of mixed Arab and Berber descent living in NW Africa
noun: a Muslim of the mixed Berber and Arab people inhabiting NW Africa

moor in American English 1
a tract of open, rolling wasteland, usually covered with heather and often marshy or peaty; heath
noun: a tract of open, peaty, wasteland, often overgrown with heath, common in high latitudes and altitudes where drainage is poor; heath

moor in American English 2
to hold (a ship, etc.) in place by cables or chains attached as to a pier or special buoy ( mooring buoy), or by two anchors
to moor a ship, etc.
intransitive verb: to moor a ship, small boat, etc
noun: the act of mooring
transitive verb: to secure (a ship, boat, dirigible, etc.) in a particular place, as by cables and anchors or by lines

Moor in British English
noun: a member of a Muslim people of North Africa, of mixed Arab and Amazigh descent. In the 8th century they were converted to Islam and established power in North Africa and Spain, where they established a civilization (756–1492)

moor in British English 1
noun: a tract of unenclosed ground, usually having peaty soil covered with heather, coarse grass, bracken, and moss

moor in British English 2
verb: to secure (a ship, boat, etc) with cables or ropes