Forty-second Street in New York City: Forty-deuce is what its seamy inhabitants call 42d Street (1970s+)
[fawr-tee-eyt] /ˈfɔr tiˈeɪt/ noun 1. a cardinal number, 40 plus 8. 2. a symbol for this number, as 48 or XLVIII. 3. a set of this many persons or things. 4. the forty-eight, the 48 contiguous states of the U.S. adjective 5. amounting to 48 in number. noun A weekend pass (WWII Navy)
[fawr-tee-eyt-moh] /ˈfɔr tiˈeɪt moʊ/ noun, plural forty-eightmos for 2. 1. a book size of about 2½ × 4 inches (6 × 10 cm), determined by printing on sheets folded to form 48 leaves or 96 pages. Abbreviation: 48mo, 48°. 2. a book of this size. adjective 3. in forty-eightmo.
[fawr-tee-eytth, -eyth] /ˈfɔr tiˈeɪtθ, -ˈeɪθ/ adjective 1. next after the forty-seventh; being the ordinal number for 48. 2. being one of 48 equal parts. noun 3. a forty-eighth part, especially of one (1/48). 4. the forty-eighth member of a series.
[fawr-tee-fifth or, often, -fith] /ˈfɔr tiˈfɪfθ or, often, -ˈfɪθ/ adjective 1. next after the forty-fourth; being the ordinal number for 45. 2. being one of 45 equal parts. noun 3. a forty-fifth part, especially of one (1/45). 4. the forty-fifth member of a series.