American Heritage® Dictionary of the English Language, Fourth Edition
- n. A yokelike structure in certain insects that joins the forewings to the hind wings, keeping them together during flight.
Century Dictionary and Cyclopedia
- n. In bot: A pair of leaflets in a compound leaf.
- n. A ridge on the carpel of an umbelliferous plant.
- n. [capitalized] A yellow star of magnitude 3.3, in the constellation of the Lyre;
- n. 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.
- n. 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.
- n. botany One of the ridges commonly found on the fruit of umbelliferous plants.
- n. botany A pair of opposite leaflets of a pinnate plant.
GNU Webster's 1913
- n. One of the ridges commonly found on the fruit of umbelliferous plants.
- n. A pair of the opposite leaflets of a pinnate plant.
- Latin, a yoke, ridge. (Wiktionary)
- Latin iugum, yoke; see yeug- in Indo-European roots. (American Heritage® Dictionary of the English Language, Fourth Edition)
“In the first year after birth the great wings and body unite, and the small wings extend inward above the anterior part of the body, and, meeting with each other in the middle line, form an elevated smooth surface, termed the jugum sphenoidale.”
“Now Cordelia very well knew what "sub jugum" meant; but her eyes, at the moment, were divided between her book and Genevieve's flushed cheeks, and so saw, apparently, but half of the word "jugum".”
“Paris, who published the Histoire de Chams – Eddine et Nour – Eddine with Maghrabi punctuation (Paris, Hachette, 1852) remarks the similarity of this word to Tazza and a number of other whimsical coincidences as Zauj, jugum; Inkár, negare; matrah, matelas;”
“Northern Brazil, cujus jugum sternitur in amoenissimam planitiem, &c. or that of”
“Et in gladio tuo vives, et fratri tuo servies: et erit, quando dominaberis, franges jugum ejus a collo tuo.”
“Postremo illud affectus omnes atque ipsum appetitum rebellione infecit; haec renovata sanctitas in ordinem cogit perturbatas affectiones, et ipsam rebellem concupiscentiam dominio spoliat, et quasi sub jugum mittit.”
“ A _jugum_ was formed by two lances fixed in the ground, and a third fastened across them so as to form a gate.”
“Deinde Jugurtha postero die cum Aulo in colloquio verba facit: 'tametsi ipsum cum exercitu fame et ferro clausum tenet,  tamen se memorem humanarum rerum, si secum foedus faceret, incolumes omnes sub jugum missurum,  praeterea uti diebus decem”
“Jugatae: that series of Lepidoptera in which there is a jugum instead of a frenulum to unite the wings in flight.”
“Claustrum: the structure uniting the wings in flight, whether by hooks, by a thickening of the margin, or by a jugum.”
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