a yellow traffic light, usually preceding a signal halting traffic in a particular direction.
What Does 💛 Yellow Heart Emoji Mean?The yellow heart emoji can convey love, just like any other heart symbol or emoji, but its yellow color often gets used to show liking and friendship (as opposed to romantic love).
Origin of yellow light
First recorded in 1970–75
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019