oct
n. uncountablen. the short way to write October, which is the tenth month of the year. You use this in dates or when you do not have much space to write.
n. the standard abbreviation for October, the tenth month of the Gregorian calendar. It is typically written with a capital letter and may or may not be followed by a full stop depending on the style guide.
The next meeting is on 15 Oct.
Please ensure all invoices for the Oct billing cycle are submitted to the accounting department by Friday afternoon.
While the full name is preferred in formal correspondence, the abbreviation Oct is frequently employed in technical documentation and medical charts to save horizontal space without sacrificing clarity.
Usually capitalised; in British English it often appears without a full stop, whereas American English often uses 'Oct.'