the GNU version of the Collaborative International Dictionary of English
adj. Growing or becoming red; tending to redness.
The Century Dictionary and Cyclopedia
Growing or becoming red; tending to a red color; blushing.
Word Usage
"It writhed down her arm, and its five rubescent flower heads thrust out toward the priestess — vibrating, quivering, held in leash only by the light touch of the handmaiden at its very end."