Stele

noun, plural stelai
[stee-lahy] /ˈsti laɪ/ (Show IPA), steles
[stee-leez, steelz] /ˈsti liz, stilz/ (Show IPA)
1.
an upright stone slab or pillar bearing an inscription or design and serving as a monument, marker, or the like.
2.
Architecture. 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.
Botany. the central cylinder or cylinders of vascular and related tissue in the stem, root, petiole, leaf, etc., of the higher plants.
noun (pl) stelae (ˈstiːliː), steles (ˈstiːlɪz; stiːlz)
1.
an upright stone slab or column decorated with figures or inscriptions, common in prehistoric times
2.
a prepared vertical surface that has a commemorative inscription or design, esp one on the face of a building
3.
the conducting tissue of the stems and roots of plants, which is in the form of a cylinder, principally containing xylem, phloem, and pericycle See also protostele, siphonostele
stele
(stēl, stē’lē)
The central core of primary vascular tissues in the stem or root of a vascular plant, consisting of xylem and phloem together with pith.