To formulate a theory, especially about some specific subject. / To speculate.

One of 72 counties in Wisconsin, United States. County seat: Whitehall.

(baseball) To touch a base, usually with a foot but sometimes with a hand.

(Britain) Anal sex. / (Britain) Any sexual act deemed against nature, such as homosexuality, bestiality or necrophilia. / (Britain, slang) A broken or damaged condition.