<p><strong>Verb (used without object)</strong></p><ul><li>to splash, as things in water, or as water does: Waves were swashing against the piers.</li><li>to dash around, as things in violent motion.</li><li>to swagger.</li></ul><p><strong>Verb (used with object)</strong></p><ul><li>to dash or cast violently, especially to dash (water or other liquid) around, down, etc.</li></ul><p><strong>Noun</strong></p><ul><li>the surging or dashing, sometimes violent, of water, waves, etc.</li><li>the sound made by such dashing: the thunderous swash of the waves.</li><li>the ground over which water washes.</li><li>Chiefly Southeastern U.S.: a channel of water through or behind a sandbank.</li><li>Printing: an extending ornamental flourish, as on letters of certain fonts of italic or cursive type.</li></ul><p><strong>Adjective</strong></p><ul><li>Printing: noting or pertaining to a character having a swash: a swash letter.</li></ul>