add. ·vt to bring, or tend to bring, to a uniform grade, or slope, by addition of material; as, streams aggrade their beds by depositing sediment.
AGGRADE
Meaning of AGGRADE in English
Webster English vocab. Английский словарь Webster. 2012
add. ·vt to bring, or tend to bring, to a uniform grade, or slope, by addition of material; as, streams aggrade their beds by depositing sediment.
Webster English vocab. Английский словарь Webster. 2012