poison bottle

A poison bottle is a container designed to hold toxic substances, typically featuring distinctive shapes, textures, or colors that warn users of dangerous contents even in dim light or by touch alone.

Historically, these bottles had ridged or bumpy surfaces, cobalt blue glass, or skull-and-crossbones embossing to prevent accidental ingestion: The old apothecary's shelves held rows of ridged poison bottles.

Now primarily collectible antiques.