Lewis Short
nōdus (noun M) : for gnodus; Sanscr. root gadh-, gandh-, grasp; cf. Gr. Χανδάνω, hold; γνάθος, jaw; Lat. pre-hend-o; Germ. Knoten; Engl. knot
* A knot (cf. nexus).
* Lit.: nodus vinculumque,Cic. Univ. 4: necte tribus nodis ternos, Amarylli, colores,Verg. E. 8, 77: Cacum Corripit in nodum complexus,clasping him as in a knot,id. A. 8, 260: nodos manu diducere,Ov. M. 2, 560: nodus Herculis or Herculaneus,a knot difficult to untie, of which Hercules was held to be the inventor,Plin. 28, 6, 17, § 63: unus tibi nodus, sed Herculaneus, restat,Sen. Ep. 87, 38: tamquam nodus Gordius difficillimus,Amm. 14, 11, 1: cingulum (novae nuptae) Herculaneo nodo vinctum vir solvit ominis gratia, Paul. ex Fest. s. v. cingulo, p. 63 Müll.
* Transf.
* Trop.
* A mode of dressing the hair, a knot, club: Rheni nodos,the hair of the Germans gathered into a club,Mart. 5, 37, 8; cf.: insigne gentis obliquare crinem nodoque substringere,Tac. G. 38.
* Plur.: nodi,a knotted fishing-net,Manil. 5, 664.
* A knot, knob, node on a joint of an animal's body: crura sine nodis,Caes. B. G. 6, 27: cervix articulorum nodis jungitur,Plin. 11, 37, 67, § 177; 11, 37, 88, § 217: dirae nodus hyaenae,a backbone, dorsal vertebra,Luc. 6, 672.— Hence, nodi articulorum,a swelling, tumor on the joints,Plin. 24, 5, 13, § 21; 30, 12, 36, § 110.
* A knot, knob, fold, etc.
* In wood or the branches of plants: baculum sine nodo aduncum tenens,Liv. 1, 18, 7; Sen. Ben. 7, 9: stipes gravidus nodis,Verg. A. 7, 507: telum solidum nodis,id. ib. 11, 553: gracilitas harundinis, distincta nodis,Plin. 16, 36, 64, § 158; Col. Arb. 3.—Hence, the knotty club of Hercules, Sen. Herc. Oet. 1661.
* A knot, hard part of a thing; so of metals,Plin. 34, 13, 37, § 136; of precious stones,id. 37, 10, 55, § 150.
* A star in the constellation Pisces, Cic. Arat. 14; Caes. Germ. Arat. 243.
* In astron.: nodi,the four points in the heavens where the seasons begin, the nodes,Manil. 3, 618; cf. id. 2, 430.
* In gen., a band, bond: his igitur singulis versibus quasi nodi apparent continuationis,Cic. Or. 66, 222: velut laxioribus nodis resolvemus,Quint. 9, 4, 127: amabilissimum nodum amicitiae tollere,Cic. Lael. 14, 51.
* In partic.
* A bond, obligation (poet.): exsolvere animum nodis religionum,Lucr. 4, 7: imponere nodos, i. e. jusjurandum,Ov. H. 20, 39 Ruhnk.
* A knotty point, difficulty, impediment.—Absol.: dum hic nodus expediatur non putet senatus nos oportere decedere,Cic. Att. 5, 21, 3: incideramus in difficilem nodum, Cael. ap. Cic. Fam. 8, 11, 1.—With gen.: Abantem interimit, pugnae nodumque moramque,Verg. A. 10, 428: cum scopulus et nodus et mora publicae securitatis superesset Antonius,Flor. 4, 9, 1: qui juris nodos et legum aenigmata solvat (an allusion to the Gordian knot),Juv. 8, 50 (hence, Cicuta nodosus; v. nodosus).— Esp.: nodus linguae, the bond or tie of the tongue: nodum linguae rumpere,Gell. 5, 9, 2: nodos linguae solvere,Just. 13, 7, 6.
Charlton T. Lewis, Charles Short, A Latin Dictionary