1Overgrown with moss.
- ‘There must be some place for warmth in this cold world, she thought, and watched the fireflies dance around a moss-grown statue of Hercules.’
- ‘The house was now moss-grown, crumbling to decay, and melancholy.’
- ‘It had the usual country-schoolhouse form, with a moss-grown roof and blank window spaces, whence both glass and sash had long departed.’
2Old; antiquated.‘the mystery of its moss-grown, cobwebby past’