A toy consisting of a model boat and animals to put in it. / A small bivalve mollusc, Arca noae. / (Australia, rhyming slang) A shark. / (Australia, rhyming slang, obsolete) A nark (spoilsport).

(of a chord or sonority) The lowest note played or notated

Being or relating to a situation that will either succeed completely or fail completely.

(Australia, humorous, slang, vulgar) No worries, no problems; used to express acknowledgment or agreement.

(idiomatic) A negative outcome; no success; a failure.

(idiomatic) An unacceptable alternative. / (idiomatic) An unfavorable result. / (informal) Used to express a negative outcome or decision

(finance) A promissory note that specifies a date (or dates) when repayment must be made.

(chiefly UK) snobbish, condescending or aloof

(idiomatic) To refuse completely to do something, generally out of scorn.

(finance) A note that normally has no date for repayment, but is due on demand of the lender. Usually the lender will only give the borrower a few days notice before the payment is due.