ha

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ha1 / / (also hah) • interj. used to express surprise, suspicion, triumph, or some other emotion.ha2 • abbr. hectare(s).

ha

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ha excl. denoting surprise, joy, scorn, suspicion, etc. XIII; †eh? XVI; in hesitating speech XVII.
So in many other langs., but not found in OE. in its simple form (cf. HA-HA1).

ha

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ha See hectare.

ha

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ha symbol for hectare