Webster's 1913 Dictionary
SILVERSIDES
SILVERSIDES Sil "ver *sides `, n. (Zoöl.)
Defn: Any one of several species of small fishes of the family Atherinidæ, having a silvery stripe along each side of the body. The common species of the American coast (Menidia notata ) is very abundant. Called also silverside, sand smelt, friar, tailor, and tinker. Brook silversides (Zoöl.), a small fresh-water North American fish (Labadesthes sicculus ) related to the marine silversides.
New American Oxford Dictionary
silverside
sil ver side |ˈsilvərˌsīd ˈsɪlvərˌsaɪd | ▶noun 1 (also silversides ) a small, slender, chiefly marine fish with a bright silver line along its sides. [Family Atherinidae: several genera and species. ] 2 Brit. the upper side of a round of beef from the outside of the leg.
Oxford Dictionary
silverside
sil ¦ver |side |ˈsɪlvəsʌɪd | ▶noun 1 [ mass noun ] Brit. the upper side of a round of beef from the outside of the leg. 2 (also silversides ) a small, slender, chiefly marine fish with a bright silver line along its sides. ●Family Atherinidae: several genera and species.
The Wordsmith Dictionary