spacer
n.a small piece of material used to keep two things apart. In medicine, it can also mean a person who stays in a hospital room to help others feel safe.
n.a device or material used to maintain a gap between two surfaces or objects. In a clinical context, it refers to a patient who remains in a hospital room to provide a sense of security to others.
“The doctor used a small spacer to keep the two metal plates apart.”
“The hospital introduced a policy where a spacer would stay in the room to help patients feel less isolated during the night.”
“While the primary function of the mechanical spacer is to prevent structural contact, its psychological role in clinical settings is equally significant for patient well-being.”
From space + -er.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.