telltale

(redirected from Dogvane)
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telltale

1. any of various indicators or recording devices used to monitor a process, machine, etc.
2. Nautical
a. another word for dogvane
b. one of a pair of light vanes mounted on the main shrouds of a sailing boat to indicate the apparent direction of the wind

telltale

[′tel‚tāl]
(engineering)
A marker on the outside of a tank that indicates on an exterior scale the amount of fluid inside the tank.

telltale

Any device designed to indicate movement of formwork.