V-shaped depression

V-shaped depression

[′vē ¦shāpt di′presh·ən]
(meteorology)
On a surface chart, a low or trough about which the isobars display a pronounced V shape, with the point of the V usually extending equatorward from the parent low.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Entombed in amber the tiny springtail can be seen resting in a v-shaped depression at the base of one of the mayfly's wings.