This is the 6002nd most frequent Arabic word.
والمهندس
"The engineer."
Here, 'والمهندس' is used in conjunction to indicate another subject participating in the activity.
ذهب محمد والمهندس إلى الموقع.
Mohammad and the engineer went to the site.
Here, 'والمهندس' indicates a partner in the action, linked by 'مع'.
قرأ الطالب الكتاب مع والمهندس في الساحة.
The student read the book with the engineer in the yard.
Here, 'والمهندس' introduces a new subject in a separate clause, emphasizing their contribution.