Springer \Spring"er\, n.

1. One who, or that which, springs; specifically, one who rouses game.

2. A young plant. [Obs.]

--Evelyn.

3. (Arch.)
   (a) The impost, or point at which an arch rests upon its support, and from which it seems to spring. Hence:
   (b) The bottom stone of an arch, which lies on the impost. The skew back is one form of springer.
   (c) The rib of a groined vault, as being the solid abutment for each section of vaulting.

4. (Zo["o]l.) The grampus.

5. (Zo["o]l.) A variety of the field spaniel. See Spaniel.

6. (Zo["o]l.) A species of antelope; the sprinkbok.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Springbok \Spring"bok`\, Springbuck \Spring"buck`\, n. [D. springbok; springen to spring, leap + bok a he-goat, buck.]

(Zo["o]l.) A South African gazelle (Gazella euchore) noted for its graceful form and swiftness, and for its peculiar habit of springing lighty and suddenly into the air. It has a white dorsal stripe, expanding into a broad patch of white on the rump and tail. Called also springer. [Written also springboc, and springbock.]

Source: Webster's Revised Unabridged Dictionary (1913)