LORD, in trouble have they visited thee, they poured out a prayer when thy chastening was upon them.
Lord, in trouble have they visited (i:e., sought) thee, they poured out a prayer (Psalms 62:8) - as a vessel emptying out all its contents.
Prayer (Hebrew, lachash-literally, a whispered prayer, margin, 'secret speech;' a secret sighing to God for help (cf. Jeremiah 13:17; Deuteronomy 8:16).