Word Study
oestrus
OXFORD DICTIONARY
oestrus, n. (also oestrum, US estrus, estrum) a recurring period of sexual receptivity in many female mammals; heat.
Derivative
oestrous adj.
Etymology
Gk oistros gadfly, frenzy
ROGET THESAURUS
oestrus
Sexuality
N sex, sexuality, gender, male, masculinity, maleness, female, femininity, sexual intercourse, copulation, mating, coitus, sex, lovemaking, marital relations, sexual union, sleeping together, carnal knowledge, sex instinct, sex drive, libido, lust, concupiscence, hots, horns, arousal, heat, rut, estrus, oestrus, tumescence, erection, hard-on, boner, masturbation, self-gratification, autoeroticism, onanism, self- abuse, orgasm, climax, ejaculation, sexiness, attractiveness, sensuality, voluptuousness, fornication, adultery, sex symbol, sex goddess, stud, hunk, one-night stand, pornography, porn, porno, hardcore pornography, softcore pornography, pin-up, cheesecake, beefcake, Playboy, Esquire, Hustler, perversion, deviation, sexual abnormality, fetish, fetishism, homosexuality, lesbianism, bisexuality, sodomy, buggery, pederasty, sadism, masochism, sado-masochism, incest, sexy, erotic, sexual, carnal, sensual, hot, horny, randy, rutting, passionate, lusty, hot-blooded, libidinous, up, in the mood, homosexual, gay, lesbian, bisexual.For further exploring for "oestrus" in Webster Dictionary Online