American English

Definition of octosyllable noun from the Oxford Advanced American Dictionary

 

octosyllable

 noun
noun
NAmE//ˈɑktəˌsɪləbl//
 
(technology)
 
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a line of poetry consisting of eight syllables
octosyllabic
 
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NAmE//ˌɑktoʊsɪˈlæbɪk//
 
adjective
See the Oxford Advanced Learner's Dictionary entry: octosyllable