Something that gives strength or support; a source or means of strength.

Something that gives or increases bodily strength or promotes healthiness. Also: something that gives physical solidity or firmness; a structural…

A strengthening or fortifying agent or measure; esp. in Medicine = corroborant, adj. n. Obsolete.

gen. A means of strengthening. Obsolete.

A strengthening or restorative medicine, food, or treatment.

One who or that which corroborates.

A corroborant.

A strengthening agent; a strengthener or invigorator of the system; a tonic.

That which braces (the nerves); hence a tonic medicine (a common sense in 18th cent., now obsolete); spec. a drink taken to brace one up (colloquial…

Medicine. A tonic medicine, application, or agent.

Something that invigorates; an invigorating drink or medicine, a tonic.