This is the 7722nd most frequent Russian word.
змеиный
"Змеиный" means "snake-like" or "related to snakes."
Here, "змеиный" is an adjective derived from "змея" (snake) and means "related to a snake" or "snake's. Its usage directly describes the type of venom.
Змеиный яд чрезвычайно опасен для человека.
Snake venom is extremely dangerous to humans.
In this sentence, "змеиные" is used metaphorically to describe characteristics reminiscent of snake behavior, such as betrayal or cunning.
Он проявил змеиные черты, предав своих друзей.
He displayed snake-like traits by betraying his friends.
Here, "змеиные" describes the patterns that resemble or are inspired by snakes, showing a descriptive usage related to visual representation.