The cardinal number occurring after one hundred ninety-nine and before two hundred one, represented in Arabic numerals as 200.

(Canada, slang) A case of twenty-four bottles or cans of beer.

(chiefly Canada, US) A length of sawn wood of cross section approximately 2 inches by 4 inches, most often employed as structural framing lumber (dimension or dimensional lumber).

(of a highway) Allowing traffic in two directions. / (of traffic, visibility) Moving or occurring in opposite directions.

(Cincinnati) A serving of Cincinnati chili with spaghetti.

(idiomatic, Britain) very common; cheap

(of an edged weapon etc) having two cutting edges / (by extension) having two, often contrasting, meanings or interpretations

Having two legs or feet. / (sports) Ambidextrous of the feet; having equal ability with either foot. / (soccer) Using both feet.

(In both the 12-hour clock and the 24-hour clock) The start of the third hour of the day; 2:00 a.m. (02:00). / (Only in the 12-hour clock) The start of the fifteenth hour of the day; 2:00 p.m. (14:00).

(Australia, UK, New Zealand) A length of sawn wood of cross section 4 inches by 2 inches, most often employed as structural framing lumber / timber.