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.
20 Words related to snake oil. 1  fraud. 2  bullshit. 3  audiophile. 4  hype. 5  liar. 6  nonsense. 7  pseudoscience. 8  quack. 9  quackery. 10  salesman. 11  snakeoil. 12  cheat. 13  infideliousness. 14  lawsuit magnet. 15  marketing. 16  paper tiger. 17  picofarad. 18  scam. 19  snake oil salesman. 20  sucker.