oak . ( From robre ). 1. m. family of the Fagáceas tree, which is typically 15 to 20 m tall and reaches up to 40 times, with thick trunk and big tortuous branches, evergreen leaves, almost-sitting, trasovadas, hairless and lobed margin, yellowish-green flowers in axillary catkins, and fruit stalked acorns, bitter. Its wood is hard, compact, colored yellowish-brown and very much appreciated for constructions. 2. m. wood of this tree. 3. m. person or thing strong, vigorous and very resistant. ro ble Scots. 1. m. species which is distinguished from the common by having petiolate leaves and acorns without corner. oak borne. 1. m. melojo. oak Portuguese. 1. m. quejigo. oak negral, oak Black, or oak villain. 1. m. melojo.