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| jugum; yoke | |||
| ridge; jugum ([botany] one of the ridges commonly found on the fruit of umbelliferous plants; [zoology] in the Brachiopoda, such as Spirifer, Cyrtina, etc., a part of the shelly internal supporting skeleton which joins the bases of the two spirally coiled ribbons or spiralia; [entomology] a small lobe projecting backward from the basal inner margin of the fore wing in the Jugatæ, which extends under the costal margin of the hind wing, holding the pair together); yoke | |||