behalf
be-half · noun
Definitions
noun
- 1.
In the interest of; for the benefit of (used with "on" or "in").
- 2.
As a representative of; in the name of.
Phrases & expressions
- •on behalf of — As a representative of; in the interest of.
- •in behalf of — (mainly US) For the benefit of.
- •on someone's behalf — Acting for someone else.
Related words
Etymology
From Middle English bihalve ("by the side of"), from bi ("by") + halve ("side, half"). Originally meant "by one's side."