what is picea
Definition of PICEA. : a genus of temperate and arctic evergreen trees (family Pinaceae) having acicular leaves that are keeled on both surfaces and borne individually on persistent peg-shaped bases and cones that become pendulous and have reflexed scales â see spruce.ew Latin, from Latin, pitch pine, from pic-, pix pitch. This word doesn't usually appear in our free dictionary, but the definition from our premium Unabridged Dictionary is offered here on a limited basis. Note that some information is displayed differently in the Unabridged.