Pronunciation: (pôr"tu-bil'i-tē, pōr"-), [key]
—pl. -ties for 2.
1. the state or quality of being portable.
2. a plan or system under which employees may accumulate pension rights under any employer who is a participant in the plan negotiated with their union.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.