from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An exaggerated use of the sound of the letter R.
- n. : A linguistic phenomenon in which a consonant changes into an R, such as Latin flos becoming florem in the accusative case.
- n. Inability to pronounce the letter R; derhotacization.
from the GNU version of the Collaborative International Dictionary of English
- n. An oversounding, or a misuse, of the letter r; specifically (Phylol.), the tendency, exhibited in the Indo-European languages, to change s to r, as wese to were.
from The Century Dictionary and Cyclopedia
- n. Too frequent use of r.
- n. Erroneous pronunciation of r; utterance of r with vibration of the uvula.
- n. Conversion of another sound, as s, into r.
- n. Also spelled rotacism.
From New Latin rhotacismus ("excessive or peculiar use of [r], especially the conversion of another sound (usually [s] or [z]) to [r]"), from Ancient Greek * ῥωτακισμός, from ῥωτακίζω (rhotakizō, "I incorrectly use ρ"), from ῥῶ (rhō, "rho (the Greek equivalent of r)") (Wiktionary)