Defn: A pole or a frame raised as a sea beacon or a landmark.

BALK Balk, n. Etym: [AS. balca beam, ridge; akin to Icel. balkr partition, bjalki beam, OS. balko, G. balken; cf. Gael. balc ridge of earth between two furrows. Cf. Balcony, Balk, v. i., 3d Bulk.]

1. A ridge of land left unplowed between furrows, or at the end of a field; a piece missed by the plow slipping aside. Bad plowmen made balks of such ground. Fuller.

2. A great beam, rafter, or timber; esp., the tie-beam of a house. The loft above was called "the balks." Tubs hanging in the balks. Chaucer.

3. (Mil.)

Defn: One of the beams connecting the successive supports of a trestle bridge or bateau bridge.

4. A hindrance or disappointment; a check. A balk to the confidence of the bold undertaker. South.

5. A sudden and obstinate stop; a failure.

6. (Baseball)

Defn: A deceptive gesture of the pitcher, as if to deliver the ball. Balk line (Billiards), a line across a billiard table near one end, marking a limit within which the cue balls are placed in beginning a game; also, a line around the table, parallel to the sides, used in playing a particular game, called the balk line game.