afterthought
arch dam
backstop
bamboo curtain
bank
bar
barrage
barrier
bear-trap dam
beaver dam
bind
block
blockage
boom
breakwater
breastwork
brick wall
buffer
bulkhead
bulwark
bureaucratic delay
cofferdam
dam
defense
delay
delayage
delayed reaction
detention
dike
ditch
double take
dragging
earthwork
embankment
fence
gate
gravity dam
groin
halt
hang-up
hindrance
holdup
hydraulic-fill dam
interim
iron curtain
jam
jetty
lag
lagging
leaping weir
arrest
check
hitch
mass
stay
stop
stoppage
Sophia
apportionment
asker
atk
bathtub/shower
captia
castello
co-sponsor
etan
hahanti
hti