noun · verb · 19 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
Received-Pronunciation:/ˈɛnvə(ˌ)ləʊp/
Received-Pronunciation:/ˈɒnvə(ˌ)ləʊp/
Received-Pronunciation:/ˈɒnvləʊp/chiefly a wrapping
Received-Pronunciation:/ˈɑ̃və(ˌ)ləʊp/
UK:Recorded audio is listed in the source snapshot.
UK:Recorded audio is listed in the source snapshot.
General-American:ĕn′vəlōp'
General-American:än′vəlōp'
General-American:/ˈɛnvə(ˌ)loʊp/
General-American:/ˈɑn-/
California:Recorded audio is listed in the source snapshot.
California:Recorded audio is listed in the source snapshot.
ĕn-vĕl'əp
/ɛnˈvɛləp/
CMU ARPABET:EH1 N V AH0 L OW2 P
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
A paper or cardboard wrapper used to enclose small, flat items, especially letters, for mailing.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
Something that envelops; a wrapping.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: wrapper
Antonyms: none provided
3
noun
Meaning 3
A bag containing the lifting gas of a balloon or airship; fabric that encloses the gas-bags of an airship.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: gasbag
Antonyms: none provided
4
noun
Meaning 4
A mathematical curve, surface, or higher-dimensional object that is the tangent to a given family of lines, curves, surfaces, or higher-dimensional objects.
Definition source: English Wiktionary via Wiktextract
Topics: geometry, mathematics, sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
5
noun
Meaning 5
A curve that bounds another curve or set of curves, as the modulation envelope of an amplitude-modulated carrier wave in electronics.
Definition source: English Wiktionary via Wiktextract