松果腺 sōngguǒxiàn pineal body Origin Definitions Defs Strokes Stroke Words Sentences Sents 松果 sōngguǒ pinecone; strobile; strobilus The woody, egg-shaped fruit of a pine tree, consisting of overlapping scales that protect the seeds腺 xiàn noun gland gland; organ or group of cells that produces and secretes chemical substances