Dictionary.com
definitions

Shakespearean sonnet

noun
  1. a sonnet form used by Shakespeare and having the rhyme scheme abab, cdcd, efef, gg.

Origin of Shakespearean sonnet

First recorded in 1900–05
Also called English sonnet, Elizabethan sonnet.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for shakespearean sonnet

Shakespearean sonnet

noun
  1. a sonnet form developed in 16th-century England and employed by Shakespeare, having the rhyme scheme a b a b c d c d e f e f g gAlso called: Elizabethan sonnet, English sonnet
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012