What is the meaning of Het?

A heterosexual person.

Fan fiction involving characters in an opposite-sex romantic or sexual relationship.

Heterosexual.

simple past and past participle of heat

Heated.

Clipping of heterozygous.

Clipping of heterozygous.

Alternative form of heth (Semitic letter)

present of

the

it; third-person singular, neuter, subjective

it; third-person singular, neuter, objective

it; impersonal

they

Alternative form of heti (immediately).

heth (eighth letter of the Hebrew and Phoenician scripts and the Northwest Semitic abjad)

nominative plural of he (a letter in some Semitic alphabets)

they

it

Alternative form of heed

Alternative form of hete (hate)

hot (most senses)

simple past of hete (Etymology 3)

past of heita

first/third-person singular preterite of hātan

hot, fierce

heat

to have as one’s name, to be called

hot; having a very high temperature

hot; feverish

hot; (of food) spicy

hot; radioactive

hot; physically very attractive

hot; popular, in demand.

imperative of heta

head

hat

Source: wiktionary.org