Merriam-Webster Collegiate Dictionary - proper

 I. adjective  Etymology: Middle English propre ~, own, from Anglo-French, from Latin proprius own  Date: 14th century  1.  a. referring to one individual only  b. belonging to one ; own  c. appointed for the liturgy of a particular day  d. represented heraldically in natural color  2. belonging characteristically to a species or individual ; peculiar  3. chiefly dialect good-looking, handsome  4. very good ; excellent  5. chiefly British utter, absolute  6. strictly limited to a specified thing, place, or idea the city ~  7.  a. strictly accurate ; correct  b. archaic virtuous, respectable  c. strictly decorous ; genteel  8. marked by suitability, rightness, or appropriateness ; fit  9. being a mathematical subset (as a subgroup) that does not contain all the elements of the inclusive set from which it is derived  Synonyms: see fit  • ~ly adverb  • ~ness noun  II. noun  Date: 15th century  1. the parts of the Mass that vary according to the liturgical calendar  2. the part of a missal or breviary containing the ~ of the Mass and the offices ~ to the holy days of the liturgical year  III. adverb  Date: 15th century chiefly dialect in a thorough manner ; completely