R.R.R.

or RRR

abbreviation for

1. return receipt requested (used in registered mail).

Example Sentences

Call, like sound produced by striking two pebbles together; song, chap—chap—chap-chap, chap-chap-chap p-p-rrr.

From Project Gutenberg

She was now lying flat on her back, making a sound like "rrr" between her teeth.

From Project Gutenberg

Now the woodpeckers drummed for quiet: “Rrr-runk, tunk, tunk!”

From Project Gutenberg