From Partridge's A Dictionary of Slang and Unconventional English:

bitch. A lewd woman: SE from origin (-1400) to ca. 1660, when it > coll.; since ca. 1837 it has been vulg. rather than coll. (In C. 20 low London it — a fast young woman.) As coll.: e.g., in Arbuthnot's John Bull and Fielding's Tom Jones. --2. Opprobriously of a man: C 16 SE; in C 17-18, coll., as in Hobbes and Fielding. --3. Tea: Cambridge University, ca. 1820-1914. EDD Prob. ex stand bitch. --4. The queen in playing cards, mainly public house; from C 20 James Curtis The Gilt Kid. 1936.

bitch. Go whoring; frequent harlots: from Restoration times to ca. 1830. [...]

[...]

bitch, stand. To preside at tea or perform some other female part: late C 18 - early 19.

No entry for snow bitch.

Ceci n'est pas un seing.