Before submitting the paper, the author checked all REFs to ensure they were correctly formatted.

She refs high school soccer matches on weekends.

The refs reviewed the disputed goal before making their final decision.

The supervisors announced we'd have refs at 2 p.m., so make sure your paperwork's up to date.

The Refs reviewed the replay before announcing the final call.

Can you ref the match on Saturday?

Can you take the milk out of the ref before it spoils?

The ref blew the whistle, calling a penalty against the striker.

Under the statute, the Ref. of crude oil must meet specified emissions limits before sale.

Despite being out of practice, Jordan reffed the community basketball game and earned praise for keeping control.