- expressing order or succession, specif. of a number in a series
- of an order of animals or plants
Origin of ordinalMiddle English ordynal, conforming to order ; from Late Latin ordinalis ; from Classical Latin ordo, order
- ordinal number
- Eccles. a book of prescribed forms or ceremonies
- Being of a specified position in a numbered series: an ordinal rank of seventh.
- Of or relating to a taxonomic order.
- An ordinal number.
- Ecclesiastical a. A book of instructions for daily services.b. A book of forms for ordination.
Origin of ordinalMiddle English ordinel, orderly, regular, from Late Latin &omacron;rdinalis, ordinal, from Latin &omacron;rd&omacron;, &omacron;rdin-, order; see ar- in Indo-European roots. N., sense 2, from Middle English, from Medieval Latin &omacron;rdinale, from Late Latin, neuter sing. of &omacron;rdinalis, ordinal.