To be the same as or equivalent to.
To total or evaluate.
The number (the sum) of elements in a set.
A quantity or volume.
The total, aggregate or sum of material (not applicable to discrete numbers or units or items in standard English).
Something trifling, or of no consequence or importance.
A trivial remark especially in the term sweet nothings.
A nobody (insignificant person).
Not any thing; no thing.
An absence of anything, including empty space, brightness, darkness, matter, or a vacuum.