Word Study
on fire |
on guard |
on hand |
on high |
on ice |
on it
| on land
| on leave
| on occasion
| on one hand
| on one's guard
on it
WORDNET DICTIONARY
Adverbial on it has 1 sense
- on it(r = adv.all) on that, thereon - on that; "text and commentary thereon"
For further exploring for "on it" in Webster Dictionary Online