noun · verb · 4 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.
UK:/ɹɪˈkɒn/
UK:/ˈɹiːkɒn/
Southern-England:Recorded audio is listed in the source snapshot.
Southern-England:Recorded audio is listed in the source snapshot.
US:/ˈɹikɑn/
US:/ɹɪˈkɑn/
rhymes with (UK) -ɒn
rhymes with (UK) -iːkɒn
rhymes with (US) -ɑn
CMU ARPABET:R IY1 K AO0 N
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
reconnaissance.
Definition source: English Wiktionary via Wiktextract
Usage: US, countable, slang, uncountable
Topics: government, military, politics, war
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
A hairstyle in which the sides of the head are shaven and the crest is cropped close.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
The smallest genetic unit that is capable of undergoing recombination.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
verb
Meaning 4
reconnoiter.
Definition source: English Wiktionary via Wiktextract
Usage: US, slang
Topics: government, military, politics, war
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
History
Etymology
Contracted form of reconnaissance.
Contracted form of recombination + -on, coined by American molecular biologist Seymour Benzer in 1957 as " [...] the smallest element in the one-dimensional array that is interchangeable (but not divisible) by genetic recombination."
Across languages
Translations
4 source translations are retained for this English entry.