orthopnea orthoplumbate • orthopneic · · · Info · Definitions · Characters · · orthopnea · · Text Latin · · Script 9 · · Length 3 · · Syllables Definitions · · · (noun) form of dyspnea in which the person can breathe comfortably only when standing or sitting erect; associated with asthma and emphysema and angina pectoris. · · Noun Definition 1 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 h latin small letter h U+0068 n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 t latin small letter t U+0074