bolster
//ˈboʊl.stər//
Verb
bolsterInfinitive
bolsterPresent tense
bolsteredPast tense
bolsteredPast participle
bolsteringPresent participle
bolstersThird-person singular
1
To support, strengthen, or reinforce something.
The new evidence bolstered her argument.
2
To prop up or hold in place with a cushion or pillow.
She bolstered her injured leg with a pillow.
Synonym
Noun
bolsterSingular
bolstersPlural
1
A long, narrow pillow or cushion, typically placed under other pillows for support.
She placed a bolster under her regular pillow for extra neck support.
2
A structural part designed to provide support or eliminate friction.
The bolster in the machine helps reduce friction between the moving parts.