1. HA

noun. (astronomy) the angular distance of a celestial point measured westward along the celestial equator from the zenith crossing; the right ascension for an observer at a particular location and time of day.

Rhymes with Ha

• che

2. ha-ha

noun. ['ˌhɑːˈhɑː'] a ditch with one side being a retaining wall; used to divide lands without defacing the landscape.

3. ha-ha

noun. ['ˌhɑːˈhɑː'] a loud laugh that sounds like a horse neighing.

4. hoo-ha

noun. a disorderly outburst or tumult.