What is the crossword answer for the clue: Meter opening

ODO - a 3 letter word may be the answer you are looking for!

ALTI - a 4 letter word may be the answer you are looking for!

BARO - a 4 letter word may be the answer you are looking for!

SLOT - a 4 letter word may be the answer you are looking for!

Meter opening

3 Character Answers:

ODO

4 Character Answers:

ALTI

BARO

SLOT