barrier

1. A boundary or limit.

2. A movable gate that keeps racehorses in line before the start of a race.

3. A structure, such as a fence, built to bar passage.

4. Ecology A physical or biological factor that limits the migration, interbreeding, or free movement of individuals or populations.

5. Geology An ice barrier.

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Top Words by points	Points	Word Game
barrier	9	Scrabble

2 Letters	Scrabble® Points
ae	2
re	2
bi	4
be	4
ba	4
ab	4
er	2
ar	2
ai	2

3 Letters	Scrabble® Points
err	3
era	3
ire	3
ear	3
rai	3
reb	5
rei	3
ria	3
rib	5
bae	5
brr	5
bra	5
bar	5
are	3
arb	5
air	3

4 Letters	Scrabble® Points
rare	4
rear	4
rabi	6
arie	4
brrr	6
brie	6
brae	6
birr	6
bier	6
bear	6
bare	6
abri	6

5 Letters	Scrabble® Points
brier	7
briar	7
barre	7
barer	7
rarer	5
rebar	7
airer	5

7 Letters	Scrabble® Points
barrier	9