We found one dictionary that defines the word halley's:

General (1 matching dictionary)

1. Halley's: Wordnik

(Note: See halley as well.)

Definitions from Wiktionary (Halley) ▸ noun:  A surname from Irish. ▸ Also see halley ▸ Words similar to halley's ▸ Usage examples for halley's ▸ Idioms related to halley's ▸ Wikipedia articles (New!) ▸ Popular adjectives describing halley's ▸ Words that often appear near halley's ▸ Rhymes of halley's ▸ Invented words related to halley's