main stem

American  

noun

Slang.

1. the main street of a city or town; the main drag.

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Etymology

Origin of main stem

An Americanism dating back to 1825–35

Example Sentences

“The North Yuba represents a really unique location for us. Between the main stem and its tributaries there is somewhere around 40 to 50 miles of habitat that is ideal for spring-run Chinook salmon for holding, spawning and rearing,” said Colin Purdy, a fisheries environmental program manager for the state.

From Los Angeles Times

Today the Snail Darter can be found along 400 miles of the river's main stem and multiple tributaries.

From Scientific American

Trees: Practically any fruit tree can be grown in an espalier fashion, which involves pruning and training the main stem and side branches of a tree to grow against flat surfaces such as a fence or wall, can be grown on a 6-by-5-foot wall, according to Butler.

From Seattle Times

Separately, the Cambodian government has halted dam building on the Mekong main stem until at least 2030.

From Science Magazine

At least 123 more hydropower dams have been proposed, including 11 on the river’s main stem.

From Science Magazine