Placed or situated across something else; cross, oblique, transverse. / (figuratively, dated) Of people: having a tendency to oppose; obstinate, perverse, stubborn.

(archaic or poetic) Across, athwart.

(obsolete) Across the direction of travel or length of; athwart, crosswise, obliquely, transversely.

(nautical) A seat across a boat on which a rower may sit.

(transitive) To cause to fail; to frustrate, to prevent. / (transitive, obsolete) To place (something) across (another thing); to position crosswise.

plural of thwacker

A person who strikes a resounding blow with an object. / A club, rod, stick, etc., used to thwack.

present participle of thwack

The action or sound of a thwack; a beating.

An instance of blocking or obstructing.