rust noun
VERB + RUST clean off, get off, remove, scrape off
RUST + NOUN spot, stain | protection A zinc coating is applied to the steel for rust protection.
PHRASES covered/flecked/red/spotted with rust The old padlock was red with rust.
rust verb
ADV. badly | away, through The car had been rusting away in his garage for years.
You can also check other dicts: rust (English, 中文解释 ), wordnet sense, Collins Definition