syllable
noun /ˈsɪləbl/
  /ˈsɪləbl/
 Idioms - any of the units into which a word is divided, containing a vowel sound and usually one or more consonants
- a word with two syllables
 - a two-syllable word
 - ‘Potato’ is stressed on the second syllable.
 
Extra ExamplesTopics Languagea2- She split the word up into syllables so that he could have a go at spelling it.
 - the final syllable of ‘Oregon’
 - words that have three or more syllables
 
Oxford Collocations Dictionaryadjective- first
 - second
 - third
 - …
 
- consist of
 - contain
 - have
 - …
 
- syllable in
 - syllable of
 
- stress falls on a syllable
 - stress is on a syllable
 - a word of one, two, etc. syllables
 - …
 
Word Originlate Middle English: from an Anglo-Norman French alteration of Old French sillabe, via Latin from Greek sullabē, from sun- ‘together’ + lambanein ‘take’. 
Idioms 
in words of one syllable 
- using very simple language
- Could you say that again in words of one syllable?