Definition of ESTRUS. : a regularly recurrent state of sexual excitability during which the female of most mammals will accept the male and is capable of conceiving: heat; also: a single occurrence of this state. See estrus defined for kids.
1. (medicine) any of various liquids sold as medicine (as by a travelling medicine show) but medically worthless. 2. communication (written or spoken) intended to deceive. Familiarity information: SNAKE OIL used as a noun is rare. Dictionary entry details.
Like I said before, most âsnake oilsâ are just oil-based moisturizers, and donât actually contain snake oil at all. But if you find snake oil thatâs the real deal (most commonly from Chinese water snakes or North American rattlesnakes), you may want to stay away, since the oil is harvested from their fat.