a rootlike subterranean stem, commonly horizontal in position, that usually produces roots below and sends up shoots progressively from the upper surface.
a thick horizontal underground stem of plants such as the mint and iris whose buds develop new roots and shoots Also called rootstock, rootstalk
A plant stem that grows horizontally under or along the ground and often sends out roots and shoots. New plants develop from the shoots. Ginger, iris, and violets have rhizomes. Also called rootstock. Compare bulb, corm, runner, tuber.
rhizomelia rhi·zo·me·li·a (rī’zə-mē’lē-ə, -mēl’yə) n. A disproportion in the length of the upper arms and thighs. rhi’zo·me’lic (-mē’lĭk, -měl’ĭk) adj.
rhizomeningomyelitis rhi·zo·me·nin·go·my·e·li·tis (rī’zō-mə-nĭng’gō-mī’ə-lī’tĭs) n. An inflammation that involves the nerve roots, the meninges, and the spinal cord. Also called radiculomeningomyelitis.
noun, Mycology. 1. a cordlike fusion of hyphae that leads certain fungi across various substrates like a root through soil. noun 1. a rootlike structure of certain fungi, such as the honey fungus Armillaria mellea, consisting of a dense mass of hyphae
or rhizomorphoid [rahy-zoh-mawr-fuh s] /ˌraɪ zoʊˈmɔr fəs/ adjective, Botany. 1. rootlike in form. rhizomorphous /ˌraɪzəʊˈmɔːfəs/ adjective 1. (botany) having the appearance of a root