rolling; knocking down
Abbreviation of 転がす; used as a noun for the act of rolling something over or knocking it down. Often appears in compound terms or as a nominalized verb.
I've gotten better at rolling the ball in bowling.
fishing with multiple hooks on a weighted line
Specialized fishing term; abbreviation of 転がし釣り. The weighted line with multiple hooks is rolled along the bottom.
See also: 転がし釣り
I caught a lot of sillago using the rolling-bottom rig.
repeatedly buying and selling
Informal financial term for quick turnover trading, like flipping items or stocks. Often used in compound expressions such as 株の転がし.
He makes money by flipping used cars.
He made money by scalping tickets.
In sumo, knocking the opponent down is one of the techniques.
転がし is the noun form tied to the transitive verb 転がす (to roll something), whereas 転がる is the intransitive verb meaning the thing itself rolls, so learners must not treat them as interchangeable.
Nominalized form of the verb 転がす (to roll), from the kanji 転 (roll, revolve) and the verb ending がす. The fishing and trading senses are specialized abbreviations of compound terms.