supplier noun
ADJ. big, largest, leading, main, major, principal | small | sole | reliable | external, foreign, outside, overseas | local | independent | mail-order | agricultural, arms, component, equipment, food, software, etc. | electricity, gas, oil
PREP. ~ to the leading arms supplier to the rebel forces
You can also check other dicts: supplier (English, 中文解释 ), wordnet sense, Collins Definition