1. (

• cap

) a tight-fitting headdress ;

2. (

• cap ,

) a top (as for a bottle) ;

3. (

• detonator ,
• detonating_device ,
• cap ,

) a mechanical or electrical explosive device or a small amount of explosive; can be used to initiate the reaction of a disrupting explosive ;

4. (

• cap ,

) something serving as a cover or protection ;

5. (

• cap ,
• pileus

) a fruiting structure resembling an umbrella or a cone that forms the top of a stalked fleshy fungus such as a mushroom ;

6. (

• hood ,
• cap

) a protective covering that is part of a plant ;

7. (

• ceiling ,
• roof ,
• cap

) an upper limit on what is allowed; "he put a ceiling on the number of women who worked for him"; "there was a roof on salaries"; "they established a cap for prices" ;

8. (

• crown ,
• crownwork ,
• jacket ,
• jacket_crown ,
• cap ,

) (dentistry) dental appliance consisting of an artificial crown for a broken or decayed tooth; "tomorrow my dentist will fit me for a crown" ;

9. (

• capital ,
• chapiter ,
• cap ,

) the upper part of a column that supports the entablature ;

1. (

• cap ,
• crest

) lie at the top of; "Snow capped the mountains" ;

2. (

• cap

) restrict the number or amount of; "We had to cap the number of people we can accept into our club" ;