a variant of rat-a-tat-tat
[rat] /ræt/ noun 1. any of several long-tailed rodents of the family Muridae, of the genus Rattus and related genera, distinguished from the mouse by being larger. 2. any of various similar or related animals. 3. Slang. a scoundrel. 4. Slang. 5. Slang. a person who frequents a specified place: a mall rat; gym rats. […]
[rey-tuh-buh l] /ˈreɪ tə bəl/ adjective 1. capable of being or appraised. 2. proportional: ratable distribution of wealth. /ˈreɪtəbəl/ adjective 1. able to be rated or evaluated 2. (Brit) (of property) liable to payment of rates adj. also rateable, c.1500, from rate (v.2) + -able.
[rat-i-guh n] /ˈræt ɪ gən/ noun 1. Terence, 1911–77, English playwright. /ˈrætɪɡən/ noun 1. Sir Terence Mervyn. 1911–77, English playwright. His plays include The Winslow Boy (1946), Separate Tables (1954), and Ross (1960)
noun 1. a terrier of any of several breeds developed especially for catching rats, as the Manchester terrier.