Iˈ-way noun (informal)

The information superhighway

I

1. (as a Roman numeral) 1
2. Iodine (chem)

I(physics)

Electric current

I¹ or i /ī/

1. The ninth letter in the modern English alphabet as in the Roman, with various sounds, as in dip, mind, bird, machine
2. Anything shaped like the letter I

Iˈ-beam noun

1. A metal girder I-shaped in section
2. An I-shaped cursor on a computer screen