lark

名词 lark:

1. North American songbirds having a yellow breast
   同义词：meadowlark
2. a songbird that lives mainly on the ground in open country; has streaky brown plumage
   同义词：pipit, titlark
3. any of numerous predominantly Old World birds noted for their singing
4. any carefree episode
   同义词：escapade

动词 lark:

1. play boisterously
   同义词：frolic, rollick, skylark, disport, sport, cavort, gambol, frisk, romp, run around, lark about

1. She rose with the lark.
   她一大早就起床了。
2. He only said it for a lark.
   他只是说着玩而已。

lark

n.（名词）
Any of various chiefly Old World birds of the family Alaudidae, especially the skylark, having a sustained, melodious song.
云雀：东半球百灵科鸣禽，尤指云雀，有持久婉转的叫声
Any of several similar birds, such as the meadowlark.
似云雀的鸟：相类似的小鸟，例如一种象草地鹨的小鸟

来源：
Middle English laveroc, larke
中古英语 laveroc, larke
from Old English l3werce
源自 古英语 l3werce

lark
lark 2

n.（名词）
A carefree or spirited adventure.
嬉戏：指随便或活跃的冒险
A harmless prank.
玩笑：指善意的恶作剧
v.intr.（不及物动词）
larked,lark.ing,larks
To engage in spirited fun or merry pranks.
嬉戏：参与活泼的娱乐或善意的恶作剧

来源：
Perhaps short for skylark [to frolic]
可能为 skylark的简写[戏闹]
and possibly alteration of dialectal lake [play] from Middle English leik, laik from Old Norse leikr
也可能是 方言 lake的变化 [玩] 源自 中古英语 leik, laik 源自 古斯堪的纳维亚语 leikr

【引伸】
lark.er
n.（名词）
lark.ish
adj.（形容词）