κρούω,
fut. - σω E. El. 180: aor. ἔκρουσα X. An. 4.5.18, Hyp. Fr. 201: pf. κέκρουκα Diogenian. 3.38, (ἐκ -) Pl. Phdr. 228e, (προς -) D. 21.206: -
Med., aor. ἐκρουσάμην Th. 7.40: -
Pass., aor. ἐκρούσθην Eratosth. Cat. 32: pf. κέκρουμαι (ἀπο -) X. HG 7.4.26, or - ουσμαι (ἀπο -) Ar. Ach. 459: -
1. strike, smite, ῥυτῆρι κ. γλουτόν S. Fr. 501; κρούσας δὲ πλευρὰ [τῶν ἵππων ] E. Fr. 779.6; τὸν λυχνοῦχον Lys. Fr. 83; τοῖς ποσὶ τὴν γῆν Arr. An. 7.1.5; also εἰς τὴν χεῖρα τοῖς δακτύλοις κ. with the fingers, D.C. 40.16: metaph., κνῖσα κ. ῥινὸς ὑπεροχάς tickles, Ephipp. 3.3.
2. strike one against another, strike together, κ. χεῖρας clap the hands, E. Supp. 720; τὰ ὅπλα κρουόμενα πρὸς ἄλληλα Th. 3.22; τὰς ἀσπίδας πρὸς τὰ δόρατα X. An. l.c.: metaph., ἀλλήλων τοὺς λόγους τοῖς λόγοις ἐκρούομεν ἄν would have knocked their heads together, Pl. Tht. 154e.
3. κ. πόδα (i.e. κ. τὴν γῆν τῷ ποδί), in dancing, E. El. l.c. (lyr.); ἴχνος ἐν γᾷ κ. Id. IA 1043 (lyr.).
4. metaph. from tapping an earthen vessel, to try whether it rings sound (cf. κροῦσις 2): examine, try, prove, κρούετε ἀπολαμβάνοντες τὸ καλόν Pl. Hp.Ma. 301b; κἂν διαπειρώμενος κρούσῃς [τὸν κόλακα ] Plu. 2.64d.
5. strike a stringed instrument with a plectron, Simon. 183, Pl. Ly. 209b: generally, play any instrument (v. κροῦμα, κρουματικός), αὐλεῖ.. κρούων ἰαστί Com.Adesp. 415: c. dat., κ. κρεμβάλοις, = κρεμβαλίζειν, Ath. 14.636d.
6. κ. τὴν θύραν knock at the door on the outside, Ar. Ec. 317, 990 (with play on signf. 8), X. Smp. 1.11, Pl. Prt. 310b, 314d, etc.; κόπτειν is better Att. acc.to Phryn. 154; later κ. ἐπὶ τὴν θύραν LXX Jd. 19.22.
7. κ. σταθμὸν ἑτερόζυγον, = κρουσιμετρέω, Ps.-Phoc. 15; ὡς μήτε κρούσῃς μήθ’ ὑπὲρ χεῖλος βάλῃς S. Fr. 796; κρούων γε μὴν αὐτὰς ἐωνούμην Eup. 184.
8. sens. obsc., AB 101, cf. Ar. Ec. 990; κ. πέπλον E. Cyc. 328.
9. Med., κρούεσθαι πρύμναν back water, Th. 1.51, 54, 3.78; αἱ πρύμναν κρουόμεναι νῆες Arr. An. 5.17.7 (also in Act., Plb. 16.3.8); κ. ἐπὶ π. τὴν ναῦν App. BC 5.119: hence κρούεσθαι τὸ πτερόν fly backwards, Ael. [Nah 3:13]: - also in Act., Plot. 2.9.18.
10. κρούειν ἀκράτῳ, v. πατάσσω 11.2. (Cf. Lith. krùšti ’bruise’, ’pound’, Lett. krausçt ’thresh’.)
G2925 — κρούω
1 aorist participle κρουσας; to knock: τήν θύραν, to knock at the door, [Luk 13:25]; [Act 12:13] (Aristophanes eccles. 317, 990; Xenophon, symp. 1, 11; Plato, Prot., p. 310 a.; 314 d.; symp. 212 c.; but κόπτειν τήν θύραν is better, according to Phryn. with whom Lobeck agrees, p. 177 (cf. Schmidt (chapter 113, 9), who makes κόπτειν to knock with a heavy blow, κρούειν to knock with the knuckles)); without τήν θύραν (cf. Winer's Grammar, 593 (552)), [Mat 7:7]; [Luk 11:9], [Luk 11:10]; [Luk 12:36]; [Act 12:16]; [Rev 3:20] (on which see θύρα, c. ἐ.).
Κρούω ,
[in LXX : seq . ἐπί [Jdg 19:22], [Son 5:2] (H1849);]
c , acc , τ . αὐλαίαν , Jdt 14:14 * ;]
to strike, knock: at a door ( Κόπτειν , in Att. .), [Mat 7:7-8], [Luk 11:9-10]; [Luk 12:36], [Act 12:16], [Rev 3:20]; c . acc , τ . θύραν , [Luk 13:25], [Act 12:13]. †