Noun cap has 8 senses
  1. cap - a tight-fitting headdress
    --1 is a kind of
    headdress, headgear
    --1 has parts: earflap, earlap
    --1 has particulars:
     balaclava, balaclava helmet; Balmoral, bluebonnet; baseball cap, jockey cap, golf cap; bathing cap, swimming cap; beret; biggin; biretta; calpac, calpack, kalpac; cloth cap, flat cap; cockscomb, coxcomb; coonskin cap, coonskin; fez, tarboosh; garrison cap, overseas cap; Glengarry; kalansuwa; kepi, peaked cap, service cap, yachting cap; liberty cap; mobcap; mortarboard; nightcap; pinner; sailor cap; shower cap; ski cap, stocking cap, toboggan cap; skullcap; tam, tam-o'-shanter, tammy; watch cap; wishing cap
  2. cap - a top (as for a bottle)
    --2 is a kind of
    top, cover
    --2 has particulars: bottlecap, bottle-cordk; radiator cap
  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
    --3 is a kind of explosive device
    --3 has particulars: blasting cap; percussion cap
  4. cap - something serving as a cover or protection
    --4 is a kind of
    protective covering, protective cover, protection
    --4 has particulars:
     distributor cap; ferrule, collet; hubcap; lens cap, lens cover; thimble
  5. cap, pileus - a fruiting structure resembling an umbrella that forms the top of a stalked fleshy fungus such as a mushroom
    --5 is a kind of plant part, plant structure
    --5 is a part of fungus
  6. ceiling, cap - an upper limit on what is allowed; "they established a cap for prices"
    --6 is a kind of control
    --6 has particulars: glass ceiling
    Derived form: verb cap2
  7. crownwork, cap - dental appliance consisting of an artificial crown for a tooth
    --7 is a kind of dental appliance
  8. capital, chapiter, cap - the upper part of a column that supports the entablature
    --8 is a kind of top
    --8 is a part of column, pillar
,Verb cap has 2 senses
  1. cap, crest - lie at the top of; "Snow capped the mountains"
    --1 is one way to lie
    Sample sentence:
    Something ----s something
  2. cap - restrict the number or amount of; "We had to cap the number of people we can accept into our club"
    --2 is one way to
    limit, circumscribe, confine
    Derived form: noun cap6
    Sample sentences:
    Somebody ----s something
    Something ----s something