[val.e.tu.di.nar.i.an] n [L valetudinarius sickly, infirm, fr. valetudin-, valetudo state of health, sickness, fr. valere to be strong, be well--more at wield] (1703): a person of a weak or sickly constitution; esp: one whose chief concern is being or becoming a chronic invalid
[2]valetudinarian adj (1713): of, relating to, or characteristic of a valetudinarian: sickly, weak