ha

¹

Or hah

[hah]

interjection

1. (used as an exclamation of surprise, interrogation, suspicion, triumph, etc.)

ha

²

abbreviation

1. hectare; hectares.

ḥā

³

[khah]

noun

1. the sixth letter of the Arabic alphabet, representing a pharyngeal spirant consonant.

hā

⁴

[hah]

noun

1. the 26th letter of the Arabic alphabet, representing a glottal spirant consonant sound.

Ha

⁵

Symbol, Chemistry, Physics.

1. hahnium.

h.a.

⁶

abbreviation

1. Gunnery.,  high angle.

2. in this year.

ha

¹

/ hɑː /

interjection

1. an exclamation expressing derision, triumph, surprise, etc, according to the intonation of the speaker

2. (reiterated) a representation of the sound of laughter

Ha

²

abbreviation

1. Hawaii

ha

³

symbol

1. hectare

h.a.

⁴

abbreviation

1. hoc anno

Word History and Origins

Origin of ha¹

Middle English word dating back to 1250–1300; ha-ha ¹

Origin of ha²

From Arabic

Origin of ha³

From Arabic

Origin of ha⁴

h.a. ( def. 2 ) < Latin hōc annō

Word History and Origins

Origin of ha¹

Latin: in this year