define
/dɪˈfaɪn/verb
with obj.
1
- state or describe exactly the nature, scope, or meaning of下定义; 确切说明（或解释）：
the contract will seek to define the client's obligations.
合同会说明客户的义务。
1.1
- give the meaning of (a word or phrase), especially in a dictionary（尤指词典中）为（单词, 词组）释义。
1.2
- make up or establish the character of树立, 表明：
for some, the football club defines their identity.
对于一些人来说, 足球俱乐部表明了他们的身份。
2
- mark out the boundary or limits of标出界线（或范围）：
as adj. defined clearly defined boundaries.明确标出的边界线。
2.1
- make clear the outline of; delineate使…的轮廓清晰; 勾勒出…的轮廓; 描绘：
she defined her eyes by applying eyeshadow to her eyelids.
她在眼睑上涂了眼影突出眼睛的轮廓。
派生词
definable
adjectivedefiner
noun词源
late Middle English （also in the sense 'bring to an end'）： from Old French definer, from a variant of Latin definire, from de- (expressing completion)+finire 'finish' （from finis 'end'）.