Definitions from Wiktionary ( )

▸ adjective:  Placed or situated across something else; cross, oblique, transverse.
▸ adjective:  (figuratively, dated) Of people: having a tendency to oppose; obstinate, perverse, stubborn.
▸ adjective:  (figuratively, dated) Of situations or things: adverse, unfavourable, unlucky.
▸ adverb:  (obsolete) Across the direction of travel or length of; athwart, crosswise, obliquely, transversely.
▸ verb:  (transitive) To cause to fail; to frustrate, to prevent.
▸ verb:  (transitive, obsolete) To place (something) across (another thing); to position crosswise.
▸ verb:  (transitive, also figuratively, obsolete) To hinder or obstruct by placing (something) in the way of; to block, to impede, to oppose.
▸ verb:  (ambitransitive, obsolete) To move (something) across or counter to; to cross.
▸ noun:  (nautical) A seat across a boat on which a rower may sit.
▸ noun:  (nautical) A brace, perpendicular to the keel, that helps maintain the beam (“breadth”) of a marine vessel against external water pressure and that may serve to support the rail.
▸ noun:  (rare) An act of thwarting; something which thwarts; a hindrance, an obstacle.

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