mainsupport
nounUK /ˈmeɪn.səˌpɔːt/
US /ˈmeɪn.səˌpɔːrt/
The main support is the biggest and strongest thing that holds something up.
The thick pole is the main support for the tent.
RELATED WORDS
OTHER MEANINGS
2. The most important person who helps or backs up a team or plan.
She was the main support of the whole project.
3. The primary structural beam that carries the heaviest load.
Engineers checked the main support before the bridge opened.
4. The leading source of help or income for someone.
His job is the main support for the family.