Explanation:

- Option 1: megre

- This word is incorrectly spelled. The correct spelling should be "merge."

- "Merge" means to combine or unite into a single entity.

- Option 2: meadow

- This word is correctly spelled.

- A "meadow" refers to a field habitat vegetated by grass and other non-woody plants.

- Option 3: matter

- This word is correctly spelled.

- "Matter" can refer to a physical substance or a subject of consideration.

- Option 4: measure

- This word is correctly spelled.

- "Measure" means to ascertain the size, amount, or degree of something.