英和和英

bounder

to mark the boundaries

boundary between objects (boundary line)

a boundary line

duty‐bound

a boundary post

to delineate a boundary

a border incident

clearance

to make a boundary （between two estates）

transversely

to build forts on the frontier

to fortify the frontier―build forts on the frontier

underling

tracts

entreating

bypass

to cross over a border

to raid the frontier―make a raid on the frontier

draw a boundary

booklice

drawdown

vomiturition

transcend

to be outside the border of something

a clearance

overcome

the instep

extradition

a purchase-book