Signal and Ticktack

Signal noun - An object intended to give public notice or warning.

Ticktack and signal are semantically related. In some cases you can replace term "Ticktack" with "Signal", this nouns are similar.

Nearby Words: signaled, signalize, signally, signalling, signaling

Ticktack noun - System of signalling by hand signs used by bookmakers at racetracks.

Signal and ticktack are semantically related. Sometimes you can use "Signal" instead a noun "Ticktack".