West coast evergreen

• Its leaves were once used in leather making
• Evergreen with leathery leaves
• Acorn-producing California evergreen
• Pacific Coast evergreen

Wiktionary Word definitions in Wiktionary
n. (taxlink Notholithocarpus densiflorus species noshow=1), an evergreen tree of the beech family, native to the western United States, whose seeds resemble the acorns of an oak.