1) Acer rival 2) American brand 3) Austin-based computer company 4) Avant-garde writer Floyd 5) Big computer maker 6) Big name in computers 7) Big name in paperbacks 8) Big-time PC maker 9) Bosky place 10) Brand of computer 11) Compaq competitor 12) Competitor of Acer and HP 13) Competitor of HP and Acer Found on https://www.crosswordclues.com/clue/dell
[landform] In physical geography, a dell is a small wooded valley. Like `dale`, the word `dell` is derived from the Old English word dæl. ... Found on http://en.wikipedia.org/wiki/Dell_(landform)
Dell noun [ Anglo-Saxon del , akin to English dale ; confer Dutch delle , del , low ground. See Dale .] 1. A small, retired valley; a ravine. « In dells and dales, concealed from human sight.» Tickell. 2. A young woman;... Found on http://www.encyclo.co.uk/webster/D/30