1
the springer of + [arch]
建筑术语：指拱最底部的石块，是拱身起拱的支撑点。
The springer of the arch was damaged in the earthquake.
这座拱的拱脚石在地震中受损了。
拱脚石；起拱石
先理解核心含义，再看它在真实句子里的用法。
拱脚石；起拱石
the lowest stone in an arch, from which it springs
The springer of the arch was damaged in the earthquake.
这座拱的拱脚石在地震中受损了。
跳跃者
A person that springs.
弹跳物
Anything that springs.
春季鲑鱼
A spring salmon.
拱底石
A stone at the base of an arch (from which the arch springs).
The mason carefully placed the springer at the bottom of the arch to support the rest of the stones.
泥瓦匠小心地将拱脚石放在拱门的底部，以支撑其余的石头。
Each springer in the arch must be cut to exactly the right shape so the curve is smooth.
拱门中的每块拱脚石都必须切割成完全正确的形状，这样曲线才会平滑。
To repair the old bridge, they had to replace a cracked springer on the left side of the main arch.
为了修复旧桥，他们不得不更换主拱左侧一块破裂的拱脚石。
建筑术语：指拱最底部的石块，是拱身起拱的支撑点。
The springer of the arch was damaged in the earthquake.
这座拱的拱脚石在地震中受损了。
农业用语：指临近产犊的母牛，常见于农场或畜牧业语境。
That cow is a springer, so we are keeping her in the barn.
那头母牛是一头临产母牛，所以我们把她留在牛棚里。
Not this
She springers over the puddle.
Use this
She springs over the puddle.
springer 是名词，不是动词；表示“跳”要用动词 spring，第三人称单数形式为 springs。把 springer 当动词用属于词性误用。
Not this
That cow is springer.
Use this
That cow is a springer.
springer 在这里指“临产母牛”，是可数名词单数，作表语时前面需要不定冠词 a；汉语中没有冠词，所以容易漏掉。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
临产母牛
The springer cow was kept in the barn until she calved.
那头临产母牛被关在牛棚里，直到它产犊。
拱脚石；起拱石
The arch springer carries the weight from the arch above.
拱脚石承托着上方拱的重量。
Use springer naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
把springer里的spring想成“弹跳”：拱门的起拱石是整座拱的起跳点，临产母牛也像要蹦出小牛，记住“弹起来”就好。
语域：mixed 常见场景：architecture、farming springer 通常有两个不同的含义：建筑学中指拱的起拱石，多用于专业文献；畜牧业中指临产母牛，比较常见于农场语境。正式程度随领域不同，使用时需依靠上下文判断。
These words all rhyme with springer: their stressed vowel is /ɪ/ followed by /ŋə/ (British non-rhotic). Be careful with lookalikes ending in -nger that sound different, such as finger /ˈfɪŋɡə/ and linger /ˈlɪŋɡə/, where the g is pronounced as /ɡ/.
Dictionary facts from ECDICT, WIKTIONARY.