1. (

• time_period ,
• period_of_time ,
• period

) an amount of time; "a time period of 30 years"; "hastened the period of time of his recovery"; "Picasso's blue period" ;

2. (

• period ,

) the interval taken to complete one cycle of a regularly repeating phenomenon ;

3. (

• period ,

) (ice hockey) one of three divisions into which play is divided in hockey games ;

4. (

• period ,
• geological_period

) a unit of geological time during which a system of rocks formed; "ganoid fishes swarmed during the earlier geological periods" ;

5. (

• period ,

) the end or completion of something; "death put a period to his endeavors"; "a change soon put a period to my tranquility" ;

6. (

• menstruation ,
• menses ,
• menstruum ,
• catamenia ,
• period ,
• flow ,

) the monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause; "the women were sickly and subject to excessive menstruation"; "a woman does not take the gout unless her menses be stopped";

7. (

• period ,
• point ,
• full_stop ,
• stop ,
• full_point

) a punctuation mark (.) placed at the end of a declarative sentence to indicate a full stop or after abbreviations; "in England they call a period a stop" ;