We found 2 dictionaries that define the word summer's day:

General (2 matching dictionaries)

1. summer's day: Wiktionary
2. Summer's Day: Wikipedia, the Free Encyclopedia

Definitions from Wiktionary (summer's day) ▸ noun:  A day in summer. Phrases: shall i compare thee to a summers day, more... ▸ Words similar to summer's day ▸ Usage examples for summer's day ▸ Idioms related to summer's day ▸ Wikipedia articles (New!) ▸ Words that often appear near summer's day ▸ Rhymes of summer's day ▸ Invented words related to summer's day