Found 8 symbols starting with HI:

Hidden intersection, Delaware.
Hidden intersection, Delaware.
Hidden money
A French hobo sign that indicates money- there's a lot of it but it's well-hidden.
High school
Japanese map symbol for high school
High voltage sign
High voltage sign
High-density polyethylene (HDPE) or polyethylene high-density (PEHD)
High-density polyethylene (HDPE) or polyethylene high-density (PEHD) is a polyethylene thermoplastic made from petroleum.
Hiking Trail
Hiking Trail
Hippopotamus
The hippopotamus is an extremely powerful animal, both on land and in the water. Its massive size and fierce demeanor, yet also its association with fertility, all contribute to its potent symbolic m…
Hive Badge
One of eight signature items found in the second generation of the Pokémon franchise.