specimen noun
1 example
ADJ. large, small | beautiful, fine, good, healthy, magnificent, perfect, prize This is a fine specimen of a walnut tree. | poor | living, preserved | rare | physical
SPECIMEN + NOUN plant, tree | letter, paper specimen exam papers
2 small amount of sth used for testing
ADJ. blood, urine, etc. | geological
VERB + SPECIMEN collect, take | give The motorist may be required to give a urine specimen. | obtain
PREP. ~ of a specimen of blood
You can also check other dicts: specimen (English, 中文解释 ), wordnet sense, Collins Definition