名詞 cog:

1. a subordinate who performs an important but routine function
2. tooth on the rim of gear wheel
   同義詞：sprocket

動詞 cog:

1. roll steel ingots
2. join pieces of wood with cogs

cog

n.（名詞）
One of a series of teeth, as on the rim of a wheel or gear, whose engagement transmits successive motive force to a corresponding wheel or gear.
齒輪的嵌齒：一系列齒之一，如在輪或齒輪的邊緣上的，其嚙合傳輸連續(xù)的運動力到相應(yīng)的輪或齒輪上
A cogwheel.
嵌齒輪
A subordinate member of an organization who performs necessary but usually minor or routine functions.
從屬地位的人或物：組織的從屬組成部分，實行必要的但通常是次要的或常規(guī)的功能

來源：
Middle English cogge
中古英語 cogge
[probably of Scandinavian origin] ; akin to Swedish kugg, kugge
[可能源自斯堪的納維亞語] ；類似于 瑞典語 kugg, kugge

【引伸】
cogged
adj.（形容詞）

---------------另--------------
cog
cog 2

v.（動詞）
cogged,cog.ging,cogs
v.tr.（及物動詞）
To load or manipulate (dice) fraudulently.
詐騙：欺騙性地裝入或操縱（骰子）
v.intr.（不及物動詞）
To cheat, especially at dice.
作弊，尤指對骰子
n.（名詞）
An instance of cheating; a swindle.
詐騙：一個欺詐的例子；詐取

來源：
[Origin unknown]
[來源不知]

cog
cog 3

n.（名詞）
A tenon projecting from a wooden beam designed to fit into an opening in another beam to form a joint.
雄榫：從一木桿伸出的榫，用以裝入另一桿的開口以形成連接
v.tr.（及物動詞）
cogged,cog.ging,cogs
To join with tenons.
用雄榫邊接

來源：
Alteration influenced by cog
受 cog的影響
of cock [to join with tenons]
cock的變化 [用雄榫連接]