(finance) A sudden dramatic decline of stock prices across a significant cross-section of a stock market.

(Canada, US, Philippines) A mark (✓) made to indicate agreement, correctness or acknowledgement.

(economics) The use or result of commercial practices by one market participant or a group of market participants (possibly with governmental assistance) that limit the access of buyers and sellers to each other.

(biblical) A female disciple of Jesus.

Alternative spelling of trademark

plural of marginal benefit

(finance) A person or company that undertakes to quote both a buy and a sell price for a financial instrument.

(law) A trademark denoting the source of a service rather than a product.

aquaculture using seawater

(idiomatic) Listen to me; used before a statement one wishes to emphasize, especially a prediction.