tri-pane

adj

tri-pane

adj

Etymology From tri- + pane.

1

Computing, Engineering, Graphical user interface, Mathematics, Natural sciences, Physical sciences, Sciences Consisting of three panes.

Windows Live Mail uses a tri-pane window layout.2011, Kevin Otnes, Windows 7 Made Simple, page 304:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.