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.
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.
V-shaped depression at tensile forces; C-shaped depression at compression forces