| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
| a gadget; dingus; thingumbob. |
tanka
in literature, a five-line, 31-syllable poem that has historically been the basic form of Japanese poetry. The term tanka is synonymous with the term waka (q.v.), which more broadly denotes all traditional Japanese poetry in classical forms
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