the amount on which rates are assessed; ratable value
adjective
2.
of or relating to rates (local taxation)
Word origin
C19: see rate1
ratal in American English
(ˈreitl)
noun
Brit
the amount on which rates or taxes are assessed
Word origin
[1855–60; rate1 + -al1]This word is first recorded in the period 1855–60. Other words that entered Englishat around the same time include: keyword, lavabo, pickup, pipeline, specialist