"jacket" in the noun sense
1. jacket
a short coat
2. jacket
an outer wrapping or casing
"phonograph records were sold in cardboard jackets"
3. 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"
4. jacket
the outer skin of a potato
5. jacket
the tough metal shell casing for certain kinds of ammunition
"jacket" in the verb sense
1. jacket
provide with a thermally non-conducting cover
"The tubing needs to be jacketed"
2. jacket
put a jacket on
"The men were jacketed"
Source: WordNet® (An amazing lexical database of English)
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