From The Collaborative International Dictionary of English v.0.48:
Aggregate \Ag"gre*gate\, n.
1. A mass, assemblage, or sum of particulars; as, a house is
an aggregate of stone, brick, timber, etc.
[1913 Webster]
Note: In an aggregate the particulars are less intimately
mixed than in a compound.
[1913 Webster]
2. (Physics) A mass formed by the union of homogeneous
particles; -- in distinction from a compound, formed by
the union of heterogeneous particles.
[1913 Webster]
In the aggregate, collectively; together.
[1913 Webster]
From The Collaborative International Dictionary of English v.0.48:
Aggregate \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.
[1913 Webster]
2. To add or unite, as, a person, to an association.
[1913 Webster]
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.
[1913 Webster]
3. To amount in the aggregate to; as, ten loads, aggregating
five hundred bushels. [Colloq.]
[1913 Webster]
Syn: To heap up; accumulate; pile; collect.
[1913 Webster]
From The Collaborative International Dictionary of English v.0.48:
Aggregate \Ag"gre*gate\, a. [L. aggregatus, p. p.]
1. Formed by a collection of particulars into a whole mass or
sum; collective.
[1913 Webster]
The aggregate testimony of many hundreds. --Sir T.
Browne.
[1913 Webster]
2. (Anat.) Formed into clusters or groups of lobules; as,
aggregate glands.
[1913 Webster]
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.
[1913 Webster]
4. (Min. & Geol.) Having the several component parts adherent
to each other only to such a degree as to be separable by
mechanical means.
[1913 Webster]
5. (Zool.) United into a common organized mass; -- said of
certain compound animals.
[1913 Webster]
Corporation aggregate. (Law) See under Corporation.
[1913 Webster]