Encara no tenim significats per a "sit erectly".
1Mrs. Hastings sat erectly beside her, her tortoise-rimmed glasses expressing bland approval.
2He sat erectly on a chair across from her, and Marjorie bethought herself that he was very much like a curate making a call.
3"Yeah, I told him that," Patrolman Mancuso said, sitting erectly in his chair and looking hopefully at the kitchen table covered with oilcloth.