Term: red light: a cautionary sign of danger
Broader: visual signal: a signal that involves visual communication | Unrelated: link: a fastener that serves to join or connect
Broader: visual signal: a signal that involves visual communication | Unrelated: argiopidae: spiders that spin orb webs; cosmopolitan in distribution
Broader: visual signal: a signal that involves visual communication | Unrelated: ear: fruiting spike of a cereal plant especially corn
Broader: visual signal: a signal that involves visual communication | Unrelated: broad-leaved plantain: common European perennial naturalized worldwide; a troublesome weed
Broader: visual signal: a signal that involves visual communication | Unrelated: shoulder pad: protective garment consisting of a hard rounded pad worn by football players to protect their shoulders
Broader: visual signal: a signal that involves visual communication | Unrelated: reclamation: the recovery of useful substances from waste products
Broader: visual signal: a signal that involves visual communication | Unrelated: lobster: any of several edible marine crustaceans of the families Homaridae and Nephropsidae and Palinuridae
Broader: visual signal: a signal that involves visual communication | Unrelated: zoonosis: an animal disease that can be transmitted to humans
Broader: visual signal: a signal that involves visual communication | Unrelated: bladder worm: encysted saclike larva of the tapeworm
Broader: visual signal: a signal that involves visual communication | Unrelated: left: those who support varying degrees of social or political or economic change designed to promote the public welfare