mostellar . ( Is leon. right of the lat. ) vulg. ( * mustalia , pl. n. of * musta'liyyah , grape juice, the flavor of the fruit of this serbal, and -ar ). 1. m. tree in the family Rosaceae, from eight to ten meters in height, with smooth trunk, thick branches and open cup; leaf petiole short and lanuginoso elliptical, entire towards the base, sawn otherwise, green above, whitish, hairy on the underside of eight to ten centimeters in length and six to seven in width; the flowers are white, stalked and in small corymbs, and small, fleshy, ovoid fruit of red color and sweet taste. It is common in the forests of Spain, and its wood, blanquecin is used in joinery and turnery.