Learn Arabic › B2 › وَتَر
وَتَر
tendon /ˈwa.tar/
nounB2#3242 most common
Also: chord (geometry), hypotenuse, bowstring
Example sentences
يُوجَدُ وَتَرٌ في كَعْبِ القَدَمِ.
There is a tendon in the heel of the foot.
أُصيبَ اللّاعِبُ بِتَمَزُّقٍ في وَتَرِ رُكْبَتِهِ.
The player suffered a tear in his knee tendon.
شَدَّ العازِفُ وَتَرَ الغيتارِ لِيَضْبُطَ صَوْتَهُ.
The musician tightened the guitar string to tune its sound.
شَدَّ الرّامي وَتَرَ قَوْسِهِ بِقُوَّةٍ قَبْلَ أَنْ يُطْلِقَ السَّهْمَ.
The archer pulled his bowstring hard before releasing the arrow.
في الهَنْدَسَةِ، الوَتَرُ خَطٌّ يَصِلُ بَيْنَ نُقْطَتَيْنِ عَلى مُحيطِ الدّائِرَةِ.
In geometry, a chord is a line connecting two points on the circumference of a circle.
يُسَمَّى الضِّلْعُ الأَطْوَلُ في المُثَلَّثِ القائِمِ الزّاوِيَةِ وَتَرًا لِأَنَّهُ يُقابِلُ الزّاوِيَةَ القائِمَةَ.
The longest side in a right triangle is called the hypotenuse because it lies opposite the right angle.
Declension
| Case | Singular | Plural |
|---|---|---|
| Nominative | وَتَرٌ | أَوْتَارٌ |
| Genitive | وَتَرٍ | أَوْتَارٍ |
| Accusative | وَتَرًا | أَوْتَارًا |
| Vocative | وَتَرُ | أَوْتَارُ |
Word family
أَوْتار (awtār)tendons, chords, strings (plural)
وِتْر (witr)odd number; the witr prayer
وَتَّرَ (wattara)to string an instrument; to tighten
مُوَتِّر (muwattir)tensioning; a tensioner
تَوْتير (tawtīr)stringing, tensioning; raising of tension
Etymology
Watar comes from the Semitic root w-t-r, whose core sense is a single taut cord and, by extension, oddness or singularity. The same root gives witr, the term for an odd number and for the odd-numbered closing prayer in Islamic ritual. From the image of a single stretched string, Arabic extended the word to the bowstring, the musical string, the anatomical tendon, and later the geometric chord and hypotenuse.
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