hotbox hotblood • hotbrained · · · Info · Definitions · Characters · · hotbox · · Text Latin · · Script 6 · · Length Definitions · · · (noun) a journal bearing (as of a railroad car) that has overheated. · · Noun Definition 1 Characters · · b latin small letter b U+0062 h latin small letter h U+0068 o latin small letter o U+006F t latin small letter t U+0074 x latin small letter x U+0078