Pronunciation: (stē'lē, stēl for 1–3; stēl, stē'lē for 4),[key] —n., —pl.ste•laiPronunciation: (stē'lī),[key]ste•lesPronunciation: (stē'lēz, stēlz).[key] 1. an upright stone slab or pillar bearing an inscription or design and serving as a monument, marker, or the like.
2. Archit.a prepared surface on the face of a building, a rock, etc., bearing an inscription or the like.
3. (in ancient Rome) a burial stone.
4. Bot.the central cylinder or cylinders of vascular and related tissue in the stem, root, petiole, leaf, etc., of the higher plants. Also,stela(for defs. 1–3).