ninth
Longman Dictionary of Contemporary English 5++LDOCE 5++ninth1 /naɪnθ/ ●●● S3 W3 adjective HMNcoming after eight other things in a series 第九 in the ninth century 在9世纪 her ninth birthday 她的9岁生日 —ninth pronoun I’m planning to leave on the ninth (=ninth day of the month). 我计划9号走。
Examples from the Corpus
ninth• Sam is in ninth grade.on the ninth• The building was opened on the ninth anniversary of her death in 1862 and was for the consumptive poor.• Early on the ninth night, he tells us, the crucial healing dance began.ninth2 noun [countable] PARTone of nine equal parts of something 九分之一ninth1 adjectiveninth2 nounChinese
Corpus a after eight other in coming things
ninth
ninth1 /naɪnθ/ 
adjective
coming after eight other things in a series:
in the ninth century
her ninth birthday
—ninth pronoun:
I’m planning to leave on the ninth (=ninth day of the month).
ninth2 noun [countable]
one of nine equal parts of something
| I |
adjectivecoming after eight other things in a series:
—ninth pronoun:
| II |
noun [countable]one of nine equal parts of something