Log glass (Naut.), a small sandglass used to time the running out of the log line.

Log line (Naut.), a line or cord about a hundred and fifty fathoms long, fastened to the log-chip. See Note under 2d Log, n., 2.

Log perch (Zo["o]l.), an ethiostomoid fish, or darter (Percina caprodes); -- called also hogfish and rockfish.

Log reel (Naut.), the reel on which the log line is wound.

Log slate. (Naut.) See Log board (above).

Rough log (Naut.), a first draught of a record of the cruise or voyage.

Smooth log (Naut.), a clean copy of the rough log. In the case of naval vessels this copy is forwarded to the proper officer of the government.

To heave the log (Naut.), to cast the log-chip into the water; also, the whole process of ascertaining a vessel's speed by the log.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Rockfish \Rock"fish`\, n. (Zo["o]l.)
   (a) Any one of several California scorp[ae]noid food fishes of the genus Sebastichthys, as the red rockfish (S. ruber). They are among the most important of California market fishes. Called also rock cod, and garrupa.
   (b) The striped bass. See Bass.
   (c) Any one of several species of Florida and Bermuda groupers of the genus Epinephelus.
   (d) An American fresh-water darter; the log perch.

Note: The term is locally applied to various other fishes.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Garrupa \Gar*ru"pa\, n. [Prob. fr. Pg. garupa crupper. Cf. Grouper the fish.]

(Zo["o]l.) One of several species of California market fishes, of the genus Sebastichthys; -- called also rockfish. See Rockfish.

Source: Webster's Revised Unabridged Dictionary (1913)