adverb, adverb taking the 'to' particle
firmly grasped; latched onto; locked together
Mimetic adverb describing a tight, secure grip or interlocking, often used with verbs like 組む or つかむ. Typically takes the particle と.
二人はがっぷりと組み合った。
The two grappled firmly with each other.
彼はロープをがっぷりとつかんだ。
He grasped the rope tightly.