A marble-sized ball, originally of camphor but now of naphthalene, stored with clothes to repel moths.
To remove (a ship, for example) from active service or use and put into protective storage.
A small ball of naphthalene or, sometimes, camphor, the fumes of which repel moths, as from woolens or furs.
To store with protective covering or set aside indefinitely for possible future use.
In storage or reserve.
A mothball fleet.
To defer indefinitely; shelve.
Mothball a project.
in (or out of) mothballs
- put into (or taken from) a condition of being stored or in reserve
Idioms and Phrasal Verbs
in (<i>or</i> out of) mothballs