plural of Seifert fibre space

(anatomy) An axon.

a plant species cultivated because its fibers have artisanal and/or industrial uses, e.g. as raw material for fabrics.

(slang) An FBI agent.

(anatomy) A single cell of a muscle; each muscle fiber contains many myofibrils, the contractile unit of muscles.

Alternative spelling of muscle fiber

Britain and Canada standard spelling of fiberboard.

plural of fiberboard

(anatomy) The slowest of the nerve fibers, unique in being unmyelinated

(UK) The inner strength to do what one believes to be right; often an ability to make difficult decisions.