ABBREVIATION, practice. The omission of some words or letters in writing; as when fieri facias is written fi. fa. 2. In writing contracts it is the better practice to make noabbreviations; but in recognizances, and many other contracts, they areused; as John Doe tent to prosecute, &c. Richard Roe tent to appear, &c.when the recognizances are used, they are drawn out in extenso. See 4 Ca. &P. 61; S.C.19E.C.L.R.268; 9 Co.48.