shutting
v.v. closing something like a door, a window, or a book so that it is no longer open.
v. the present participle of 'shut', meaning to move a door, lid, or cover so that it blocks an opening.
She is shutting the window because it is cold.
The shopkeeper is shutting the store early today to prepare for the holiday weekend.
By shutting the gates before the storm arrived, the staff managed to protect the inner courtyard from the worst of the wind and debris.
The verb is transitive and requires a direct object; the final consonant is doubled when adding the '-ing' suffix.
He is shuting the door.He is shutting the door.The final 't' must be doubled in the present participle form because 'shut' is a single-syllable verb ending in a consonant-vowel-consonant pattern.