1. [n]  the whole amount
2. [n]  a sum total of many heterogenous things taken together
3. [adj]  gathered or tending to gather into a mass or whole; "the aggregate amount of indebtedness"
4. [adj]  (botany) formed of separate units in a cluster; "raspberries are aggregate fruits"
5. [v]  gather in a mass, sum, or whole
6. [v]  amount in the aggregate to

AGGREGATE is a 9 letter word that starts with A.

1. \Ag"gre*gate\, v. t. [imp. & p. p. {Aggregated}; p.
   pr. & vb. n. {Aggregating}.] [L. aggregatus, p. p. of
   aggregare to lead to a flock or herd; ad + gregare to collect
   into a flock, grex flock, herd. See {Gregarious}.]
   1. To bring together; to collect into a mass or sum. ``The
      aggregated soil.'' --Milton.
   2. To add or unite, as, a person, to an association.
            It is many times hard to discern to which of the two
            sorts, the good or the bad, a man ought to be
            aggregated.                           --Wollaston.
   3. To amount in the aggregate to; as, ten loads, aggregating
      five hundred bushels. [Colloq.]
   Syn: To heap up; accumulate; pile; collect.
   

2. \Ag"gre*gate\, a. [L. aggregatus, p. p.]
   1. Formed by a collection of particulars into a whole mass or
      sum; collective.
            The aggregate testimony of many hundreds. --Sir T.
                                                  Browne.
   2. (Anat.) Formed into clusters or groups of lobules; as,
      aggregate glands.
   3. (Bot.) Composed of several florets within a common
      involucre, as in the daisy; or of several carpels formed
      from one flower, as in the raspberry.
   4. (Min. & Geol.) Having the several component parts adherent
      to each other only to such a degree as to be separable by
      mechanical means.
   5. (Zo["o]l.) United into a common organized mass; -- said of
      certain compound animals.
   {Corporation aggregate}. (Law) See under {Corporation}.
   

3. \Ag"gre*gate\, n.
   1. A mass, assemblage, or sum of particulars; as, a house is
      an aggregate of stone, brick, timber, etc.
   Note: In an aggregate the particulars are less intimately
         mixed than in a compound.
   2. (Physics) A mass formed by the union of homogeneous
      particles; -- in distinction from a {compound}, formed by
      the union of heterogeneous particles.
   {In the aggregate}, collectively; together.