There were many cross-births in the animal kingdom.

The book cross-referenced multiple sources to provide accurate information.

He double-crosses his friends for personal gain.

He double-crossed his business partner and stole all the money.

He is double-crossing his business partner.

He is a double-crossing friend.

He enjoys watching moto-cross races on the weekends.

The railway tracks at the station are equipped with diamond crossings.

She cross-multiplies the numbers to find the product.

The fractions were cross-multiplied to find the common denominator.