رُمْحٌ رُدَيْنِىٌّ

[meaning A well-straightened spear; lit. a spear of Rudeyneh]: and قَنَاةٌ رُدَيْنِيَّةٌ [the same, or a well-straightened spear-shaft]: (S:) and رِمَاحٌ رُدَيْنِيَّةٌ [well-straightened spears]: (M:) according to their [the Arabs'] assertion, (S,) so called in relation to a woman named Rudeyneh, (S, M,) wife of Es-Semharee [or Semhar]; both of whom used to straighten spears, or spear-shafts, in Khatt-Hejer: and some say ↓ خَطِّيَّةٌ رُدْنٌ [wellstraightened spears of El-Khatt], and رِمَاحٌ رُدْنٌ. (S.) [See an example in a verse cited in article ذوق, 6th conj.]