gradine
Concise Oxford English Dictionary © 2008 Oxford University Press:
gradine /grəˈdiːn/ (also gradin /ˈgreɪdɪn/)
▶noun archaic a low step or ledge, especially one at the back of an altar.
– origin C19: from Ital. gradino, dimin. of grado ‘step’.
'gradine' also found in these Oxford entries:

