Cotter \Cot"ter\, Cottar \Cot"tar\ (k?t"t?r), n. [LL. cotarius, cottarius, coterius. See Cot.]

A cottager; a cottier. --Burns.

Through Sandwich Notch the West Wind sang Good morrow to the cotter. --Whittier.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Cotter \Cot"ter\ (k[o^]t"t[~e]r), n.

1. A piece of wood or metal, commonly wedge-shaped, used for fastening together parts of a machine or structure. It is driven into an opening through one or all of the parts.

Note: [See Illust.]

In the United States a cotter is commonly called a key.

2. A toggle.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Cotter \Cot"ter\, v. t. To fasten with a cotter.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Cottier \Cot"ti*er\ (-t[i^]*[~e]r), n. [OF. cotier. See Coterie, and cf. Cotter.]

In Great Britain and Ireland, a person who hires a small cottage, with or without a plot of land. Cottiers commonly aid in the work of the landlord's farm. [Written also cottar and cotter.]

Source: Webster's Revised Unabridged Dictionary (1913)