What is "to show up"

Show \Show\, v. t. [imp. Showed; p. p. Shownor Showed; p. pr. & vb. n. Showing. It is sometimes written shew, shewed, shewn, shewing.] [OE. schowen, shewen, schewen, shawen, AS. sce['a]wian, to look, see, view; akin to OS. scaw?n, OFries. skawia, D. schouwen, OHG. scouw?n, G. schauen, Dan. skue, Sw. sk?da, Icel. sko?a, Goth. usskawjan to waken, skuggwa a mirror, Icel. skuggy shade, shadow, L. cavere to be on one's guard, Gr. ??? to mark, perceive, hear, Skr. kavi wise. Cf. Caution, Scavenger, Sheen.]

1. To exhibit or present to view; to place in sight; to display; -- the thing exhibited being the object, and often with an indirect object denoting the person or thing seeing or beholding; as, to show a house; show your colors; shopkeepers show customers goods (show goods to customers).

   Go thy way, shew thyself to the priest.
   --Matt. viii. 4.

   Nor want we skill or art from whence to raise Magnificence; and what can heaven show more?
   --Milton.

2. To exhibit to the mental view; to tell; to disclose; to reveal; to make known; as, to show one's designs.

   Shew them the way wherein they must walk.
   --Ex. xviii. 20.

   If it please my father to do thee evil, then I will shew it thee, and send thee away.
   --1 Sam. xx. 1

3. 3. Specifically, to make known the way to (a person); hence, to direct; to guide; to asher; to conduct; as, to show a person into a parlor; to show one to the door.

4. To make apparent or clear, as by evidence, testimony, or reasoning; to prove; to explain; also, to manifest; to evince; as, to show the truth of a statement; to show the causes of an event.

   I 'll show my duty by my timely care.
   --Dryden.

5. To bestow; to confer; to afford; as, to show favor.

   Shewing mercy unto thousands of them that love me.
   --Ex. xx.

6. To show forth, to manifest; to publish; to proclaim.

   To show his paces, to exhibit the gait, speed, or the like; -- said especially of a horse.

   To show off, to exhibit ostentatiously.

   To show up, to expose. [Colloq.]