A cotyledon, esp. a cotyledon which has become the first leaf or leaves of a seedling.
| 单词 | θ22101 |
| 释义 | the world > plants > part of plant > reproductive part(s) > seed > [noun] > parts of > cotyledon or seed-leaf (6) seed leafa1682 A cotyledon, esp. a cotyledon which has become the first leaf or leaves of a seedling. seedling leaf1699 a seed leaf; a cotyledon. ear leaf1718 The cotyledon or seed leaf of a dicotyledonous plant. seed lobe1720 the cotyledon of an embryo plant (see cotyledon, n. 3); cf. seed leaf, n. 1. deaf-ear1725 (a) = auricle, n. 3; †(b) a cotyledon or seed-leaf of some plants; (c) the ear-lobe of the domestic fowl. cotyledon1776 Botany. The primary leaf in the embryo of the higher plants (Phanerogams); the seed-leaf. |
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