We found 2 dictionaries that define the word eldest son:

General (1 matching dictionary)

1. eldest son: Oxford Learner's Dictionaries

Miscellaneous (1 matching dictionary)

2. Encyclopedia of Graphic Symbols (No longer online)

Phrases: Project Eldest Son, more... ▸ Words similar to eldest son ▸ Usage examples for eldest son ▸ Idioms related to eldest son ▸ Wikipedia articles (New!) ▸ Words that often appear near eldest son ▸ Rhymes of eldest son ▸ Invented words related to eldest son