Definitions of frail:

• noun:   a basket for holding dried fruit (especially raisins or figs)
• noun:   the weight of a frail (basket) full of raisins or figs; between 50 and 75 pounds
• adjective:   physically weak

  Example: "An invalid's frail body"

• adjective:   having the attributes of man as opposed to e.g. divine beings

  Example: "Frail humanity"

• adjective:   easily broken or damaged or destroyed

  Example: "A frail craft"