SIGNAL
NOUNS
► BALE a signal or beacon fire → 1455 Sc. arch.
► BALE-FIRE a great fire kindled as a signal; a beacon-fire → 1805
► OFFICE a signal → M18 sl.
► RATTLER a noisy signal; a loud halloo → 1894 Eng. dial.
► SIGNET a signal → 1590 obs. rare
► TOKEN a signal given; a sign to attract attention or give notice → a1000 now rare or obs.
► WAFF a signal made by waving; a banner, a flag → 1825 Sc.
► WAG a shake; a waving motion; a signal made by the hand → 1838 Sc.
VERBS
► OFFICE vb. to notify; to signal; to alert; to warn, to tip off → 1812 sl.
► RAISE to make a signal by raising one’s hat → 1940s US criminals’ sl.
► TIP A NOD to give a wink to a person as a private signal or warning → 1861
► TIP THE WINK to give a wink to a person as a private signal or warning → 1676
► WAG to beckon; to make a signal with the hand or head → 1870 Sc. & Eng. dial.
► WIGWAG to signal with flags → World War I Amer. sl.
Lexicophilia 