Definition of «twin girls»

"Twin girls" refers to two girls who are born to the same mother at the same time and are identical or fraternal siblings.

I'm pregnant with identical twin girls who are due in about a month. (pregnancymagazine.com)
Hi I have a few question about my 4 and 1/2 years old twin girls who have just started school. (janetlansbury.com)
For myself, I've got identical twin girls who are almost four and they're a lot of fun I got to say. (pregnancymagazine.com)
(see all sentences)