caisson

1. A floating structure used to close off the entrance to a dock or canal lock.

2. A horse-drawn vehicle, usually two-wheeled, used to carry artillery ammunition and coffins at military funerals.

3. A large box open at the top and one side, designed to fit against the side of a ship and used to repair damaged hulls under water.

4. A large box used to hold ammunition.

5. A watertight structure within which construction work is carried on under water.

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Top Words by points	Points	Word Game
cassino	9	Scrabble

2 Letters	Scrabble® Points
an	2
so	2
si	2
os	2
on	2
oi	2
no	2
na	2
is	2
in	2
ai	2
as	2

3 Letters	Scrabble® Points
ons	3
sos	3
ion	3
son	3
ass	3
nos	3
ani	3
ais	3
ain	3
oca	5
ins	3
soc	5
sis	3
sac	5
san	3
sic	5
sin	3
can	5
cis	5
con	5
cos	5

4 Letters	Scrabble® Points
sain	4
cain	6
cans	6
ciao	6
ossa	4
ocas	6
cion	6
coin	6
coni	6
cons	6
coss	6
naos	4
naoi	4
sons	4
soca	6
ains	4
sins	4
ions	4
icon	6
sics	6
anis	4
asci	6
scan	6
sacs	6
sans	4

5 Letters	Scrabble® Points
sasin	5
sains	5
ossia	5
oasis	5
icons	7
scans	7
scion	7
socas	7
sonic	7
coins	7
cions	7
canso	7
cains	7
ascon	7

6 Letters	Scrabble® Points
scions	8
sonics	8
casino	8
cansos	8
ascons	8

7 Letters	Scrabble® Points
cassino	9
casinos	9
caisson	9