bulb tee
bulb tee · bulb tees
A T-beam with a web thickened into a bulbous part at its lower edgeA T-beam with a web (vertical section) thickened into a bulbous part at its lower edge.
Meaning
1 senses(attributive, often)A T-beam with a web (vertical section) thickened into a bulbous part at its lower edge.