- rat-tail cactus,
- rat-tail file,
- rat-tailed maggot,
- ratable value,
Examples from the Web for rat-tat
A rat-tat at the hall-door knocker interrupted her meditations.The Quiver 12/1899|Anonymous
She found the house shut up and the family gone to bed, but she made a rat-tat with the knocker that soon roused them.For the School Colours|Angela Brazil
There was a rat-tat at the door, the sound of a letter falling on the mat, and Fanning the postman passed on.Orientations|William Somerset Maugham
When she has slept for about an hour, a loud "rat-tat" at the street door awakens her.Betty's Battles|S. L. M.
At that moment there came a loud, double "rat-tat" at the street door, which made them both jump.