(obsolete, Northern England) A caterpillar.

(Web design) Initialism of Object-Oriented Cascading Style Sheets.

plural of oops baby

(slang) A child born as the result of an unplanned pregnancy.

The creation and development of oocytes

Alternative spelling of odachi (大太刀)

Relating to, or composed of oocytes

To carry out an oocytectomy

simple past tense and past participle of oocytectomise

(surgery) The removal of oocytes.