1. to strike together; ς. τὼ χεῖρε to clap the hands for joy, (Xenophon Historicus); but also to smite them together in grief, (Lucian):—;Pass. to be applauded , (Xenophon Historicus)

2. to hammer or weld together , (Aristophanes Comicus): hence, to weld a number of men into one body, i. e. organise them, (Demosthenes Orator), etc.:—;perfect passive participle συγκεκροτημένος well-trained, in good discipline , (Xenophon Historicus) (ML)