Train and Zero in

Train verb - To bring to a proper or desired state of fitness.

Zero in and train are semantically related in seek topic. In some cases you can use "Zero in" instead a verb "Train", when it comes to topics like aim at.

Nearby Words: trained, training, trainee, trainer, trainband

Zero in verb - Direct onto a point or target, especially by automatic navigational aids.

Train and zero in are semantically related in position topic. You can use "Train" instead a verb "Zero in", if it concerns topics such as credit, direct, guide.