Quick Definition
rough
Strong's Definition
uneven, rocky (reefy)
Derivation: perhaps strengthened from the base of G4486 (ῥήγνυμι) (as if jagged by rents);
KJV Usage: rock, rough
Thayer's Greek Lexicon
τραχύς, τραχεῖα, τραχυ, from Homer down, rough: ὁδοί, Luk_3:5; τόποι, rocky places (in the sea), Act_27:29.
Mounce Concise Greek Dictionary
τραχύς trachus 2x
rough, rugged, uneven, Luk_3:5 ;
εἰς τραχεῖς τόπους , on a rocky shore, Act_27:29
Abbott-Smith Greek Lexicon
τραχύς , -εῖα , -ύ ,
[in LXX : Isa_40:4 ( H7406 ), etc.;]
rough: ὁδοί (Is, l.c .), Luk_3:5 ( LXX ); τοποί ( i.e . rocky), Act_27:29 .†
Moulton & Milligan — Vocabulary of the Greek NT
τραχύς [page 640]
rough. For this adj., confined in the NT to Luk_3:5 LXX, Act_27:29 , cf. the medical prescription, P Tebt II. 273 (ii/iii A.D.), which is headed πρὸς τὰ τρ [α ]χ̣ε̣α βλέφα [ρ ]α (see the introd.). Other exx. are PSI V. 535 .20 (iii/B.C.) σπόγγοι̣ τ̣ραχεῖς , P Cairo Zen I. 59083 .3 (B.C. 257) χῆμαι λεῖαι καὶ τραχεῖ [αι , smooth and rough cockles, and Syll . 540 (= .3 972) .7 (B.C. 175 172) ξοΐδος . . . τραχείας . The adj. is applied to a person in Vett. Val. p. 104 .11 , τραχεῖα μήτηρ .
Liddell-Scott — Intermediate Greek Lexicon
τραχύς "rugged, rough", Lat. asper, Hom. , etc.; as epith. of Ithaca, Od. ; cf. Τραχίς:—also, "rough, shaggy", Xen. :—of a bit, "rough, sharp", id=Xen. : of the voice of boys, when it breaks, Plut. "rough, harsh, savage", Pind. , Aesch. , etc. adv. τρα_χέως, ionic τρηχέως, "roughly", Hdt. ; τραχέως ἔχειν to be "rough", Isocr. ; τρ. φέρειν, Lat. aegre ferre, Plut.
STEPBible — Tyndale Abridged Greek Lexicon
τραχύς, -εῖα, -ύ
[in LXX: Isa.40:4 (רֶכֶס), etc. ;]
rough: ὁδοί (Is, l.with), Luk.3:5 (LXX); τοποί (i.e. rocky), Act.27:29.†
(AS)