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| a chattering or flighty, light-headed person. |
| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
| diploblastic (ˌdɪpləʊˈblæstɪk) | |
| —adj | |
| Compare triploblastic (of jellyfish, corals, and other coelenterates) having a body developed from only two germ layers (ectoderm and endoderm) | |
diploblastic dip·lo·blas·tic (dĭp'lō-blās'tĭk)
adj.
Derived from two embryonic germ layers, the ectoderm and the endoderm. Used of invertebrates such as sponges and coelenterates.