baulk(1) (iou) and Acromioclavicular (medicine)

baulk(1) (iou)

baulk noun. Also balk. LOE.
[Old Norse balkr partition, from Germanic; rel. to Old Frisian balca, Old Saxon, Old High German balco (Dutch balk, German Balken), Old Norse bjalki, from a Germanic base meaning 'beam'.]
I. A ridge, a mound, esp. a grave-mound; a dividing ridge of land. LOE-M17.
A ridge left in ploughing, either intentionally (esp. as a boundary line between sections) or unintentionally. LOE.
make a baulk of good ground waste an opportunity.
A mistake, a blunder; an omission. LME-L19.
A ridge in one's way; a stumbling-block, an obstacle. LME-M18.
fig. A hindrance, a check; a disappointment. M17.
Defoe This was a balk to them and put a damp to their new projects. D. Lessing The balk, the disappointment, is felt as a promise that has been broken.
Billiards & Snooker etc. A marked-off area on the table from which play begins and which governs play in certain situations varying according to the game being played (for example, protecting a ball from a direct stroke); the area between the baulk line and the bottom cushion. Also (in some Games), a play bringing one's own and the red ball within this area. L18.
baulk-cushion, baulk-end, baulk-pocket, etc. give a miss-in-baulk: see MISS noun1.
Baseball. An illegal action by a pitcher. M19.
II.
A beam of timber; a tie-beam of a house (now chiefly north.). ME.
J. Masters Each man carried a stavea big balk of wood, rather.
The beam of a balance. obsolete exc. dial. LME.
Comb.: baulk line a line drawn on a billiard- or snooker-table parallel to the face of the bottom cushion at a distance one-fifth of the length of the playing area.

Acromioclavicular (medicine)

acromioclavicular

Relating to the acromion and the clavicle; denoting the articulation and ligaments between the clavicle and the acromion of the scapula.

Synonym: scapuloclavicular.

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