'Expelling' definitions:

Definition of 'expelling'

noun

Any of several bodily processes by which substances go out of the body; "the discharge of pus" [syn: discharge, emission, expelling]

From: GCIDE

Expel \Ex*pel"\, v. t. [imp. & p. p. Expelled, p. pr. & vb. n.. Expelling.] [L. expellere, expulsum; ex out + pellere to drive: cf.F. expeller. See Pulse a beat.]
1. To drive or force out from that within which anything is contained, inclosed, or situated; to eject; as, to expel air from a bellows. [1913 Webster]
Did not ye . . . expel me out of my father's house? --Judg. xi. 7. [1913 Webster]
2. To drive away from one's country; to banish. [1913 Webster]
Forewasted all their land, and them expelled. --Spenser. . [1913 Webster]
He shall expel them from before you . . . and ye shall possess their land. --Josh. xxiii. 5. [1913 Webster]
3. To cut off from further connection with an institution of learning, a society, and the like; as, to expel a student or member. [1913 Webster]
4. To keep out, off, or away; to exclude. "To expel the winter's flaw." --Shak. [1913 Webster]
5. To discharge; to shoot. [Obs.] [1913 Webster]
Then he another and another [shaft] did expel. --Spenser. .
Syn: To banish; exile; eject; drive out. See Banish. [1913 Webster]

From: GCIDE

expelling \expelling\ n. any of several bodily processes by which substances go out of the body.
Syn: discharge, emission. [WordNet 1.5]