هت doesn't appear in Hans Wehr's Modern Standard Arabic dictionary, but Lane's Arabic-English Lexicon has 2 entries for it, distinguished by diacritics. Select one below for the full classical Arabic definition.

• هَتَّ Form 1

  1 هَتَّ ذ , aor. هَتِتَ , inf. n. هَتِيتٌ, He (a بَكْر, or young camel,) uttered a sound resembling a squeezing of the voice (شبه العصر للصوت): you say, of a بكر, observes Az, يَهِتُّ, inf. n. as above; then, يَكِشُّ, in…

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• هَتْ

  هَتْ ذ , (TA,) or هَتْ هَتْ, (K,) A cry by which a camel is urged (يُزْجَرُ) on the occasion of drinking. (K.) -b2- إِذَا وَقَّفْتَ البَعِيرَ عَلَى الرَّدْهَةِ فَلَا تَقُلْ لَهُ هَتْ; or, as some say, فَلَا تُهَتْهِتْ بِ…

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