[ ɪk'spʌɪə , ɛk- ]
■ verb
1》 (of a document or agreement) come to the end of the period of validity.
↘(of a period of time) come to an end.
2》 (of a person) die.
3》 technical exhale (air) from the lungs.
Derivatives
expiration noun
expiratory adjective
Origin
ME: from OFr. ~r , from L. exspirare 'breathe out'.