interlock

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++in·ter·lock /ˌɪntəˈlɒk $ ˌɪntərˈlɑːk/ verb [intransitive, transitive]  JOIN something TOGETHERif two or more things interlock, or if they are interlocked, they fit firmly together （使）连锁；（使）相互扣住；（使）紧密连接 a puzzle with 500 interlocking pieces 由500个紧密相扣的块组成的拼图→ See Verb table

Examples from the Corpus

interlock• The path is paved with interlocking stones.

in·ter·lock verbChineseSyllable  

things or interlocked, Corpus or two they interlock, if are if more

interlock
in‧ter‧lock /ˌɪntəˈlɒk $ ˌɪntərˈlɑːk/ verb [intransitive and transitive]
if two or more things interlock, or if they are interlocked, they fit firmly together:
    a puzzle with 500 interlocking pieces

inter·lockBrE /ˌɪntəˈlɒk/ 🔊NAmE /ˌɪntərˈlɑːk/ 🔊 verbpresent simple - I / you / we / they interlock BrE /ˌɪntəˈlɒk/ 🔊 NAmE /ˌɪntərˈlɑːk/ 🔊present simple - he / she / it interlocks BrE /ˌɪntəˈlɒks/ 🔊 NAmE /ˌɪntərˈlɑːks/ 🔊past simple interlocked BrE /ˌɪntəˈlɒkt/ 🔊 NAmE /ˌɪntərˈlɑːkt/ 🔊past participle interlocked BrE /ˌɪntəˈlɒkt/ 🔊 NAmE /ˌɪntərˈlɑːkt/ 🔊 -ing form interlocking BrE /ˌɪntəˈlɒkɪŋ/ 🔊 NAmE /ˌɪntərˈlɑːkɪŋ/ 🔊 [intransitive, transitive] ~ (sth) (with sth) to fit or be fastened firmly together （使）连锁，紧密连接，扣紧◆Once the parts are interlocked, the structure stands firm.一旦各个部件紧密相扣，结构就会牢固。◆interlocking shapes/systems/pieces紧密相扣的形状／系统／部件