(idiomatic, usually reflexive, dated) To make someone more resistant to something.

(Christianity) A concept of heaven as a hierarchical dominion with God at the top and a court of saints, archangels and angels. / The place where God rules and reigns.

(idiomatic) A state of illness, or bad health.

(physics) Any device (such as a radiator) that transfers heat from one fluid to another via a separating wall.

(reflexive) To serve oneself, especially to take food or other supplies, rather than wait to be served by another; used to indicate friendly permission or invitation.

Assumed or borne, as a responsibility or something blameworthy. / Assigned by government authorities as a bounty or penalty.

A facility with exercise equipment, and sometimes instructors, open to the public or those on some membership list.

Alternative form of like a chicken with its head cut off

(idiomatic) May heaven forbid it; expresses the desire that something does not happen.

(dated or humorous) Used to express that one hopes that something does not happen: God forbid, heaven forbid.